8397755320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:833

約数の個数: 128

約数和(自身を含む): 19877477760

約数和(自身を除く): 11479722440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 167, 185, 244, 296, 305, 334, 370, 488, 557, 610, 668, 740, 835, 1114, 1220, 1336, 1480, 1670, 2228, 2257, 2440, 2785, 3340, 4456, 4514, 5570, 6179, 6680, 9028, 10187, 11140, 11285, 12358, 18056, 20374, 20609, 22280, 22570, 24716, 30895, 33977, 40748, 41218, 45140, 49432, 50935, 61790, 67954, 81496, 82436, 90280, 93019, 101870, 103045, 123580, 135908, 164872, 169885, 186038, 203740, 206090, 247160, 271816, 339770, 372076, 376919, 407480, 412180, 465095, 679540, 744152, 753838, 824360, 930190, 1257149, 1359080, 1507676, 1860380, 1884595, 2514298, 3015352, 3441703, 3720760, 3769190, 5028596, 5674159, 6285745, 6883406, 7538380, 10057192, 11348318, 12571490, 13766812, 15076760, 17208515, 22696636, 25142980, 27533624, 28370795, 34417030, 45393272, 50285960, 56741590, 68834060, 113483180, 137668120, 209943883, 226966360, 419887766, 839775532, 1049719415, 1679551064, 2099438830, 4198877660, 8397755320]

約数ペア:

[(1, 8397755320), (2, 4198877660), (4, 2099438830), (5, 1679551064), (8, 1049719415), (10, 839775532), (20, 419887766), (37, 226966360), (40, 209943883), (61, 137668120), (74, 113483180), (122, 68834060), (148, 56741590), (167, 50285960), (185, 45393272), (244, 34417030), (296, 28370795), (305, 27533624), (334, 25142980), (370, 22696636), (488, 17208515), (557, 15076760), (610, 13766812), (668, 12571490), (740, 11348318), (835, 10057192), (1114, 7538380), (1220, 6883406), (1336, 6285745), (1480, 5674159), (1670, 5028596), (2228, 3769190), (2257, 3720760), (2440, 3441703), (2785, 3015352), (3340, 2514298), (4456, 1884595), (4514, 1860380), (5570, 1507676), (6179, 1359080), (6680, 1257149), (9028, 930190), (10187, 824360), (11140, 753838), (11285, 744152), (12358, 679540), (18056, 465095), (20374, 412180), (20609, 407480), (22280, 376919), (22570, 372076), (24716, 339770), (30895, 271816), (33977, 247160), (40748, 206090), (41218, 203740), (45140, 186038), (49432, 169885), (50935, 164872), (61790, 135908), (67954, 123580), (81496, 103045), (82436, 101870), (90280, 93019)]