48880520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 127491840

約数和(自身を除く): 78611320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 61, 65, 67, 92, 104, 115, 122, 130, 134, 184, 230, 244, 260, 268, 299, 305, 335, 460, 488, 520, 536, 598, 610, 670, 793, 871, 920, 1196, 1220, 1340, 1403, 1495, 1541, 1586, 1742, 2392, 2440, 2680, 2806, 2990, 3082, 3172, 3484, 3965, 4087, 4355, 5612, 5980, 6164, 6344, 6968, 7015, 7705, 7930, 8174, 8710, 11224, 11960, 12328, 14030, 15410, 15860, 16348, 17420, 18239, 20033, 20435, 28060, 30820, 31720, 32696, 34840, 36478, 40066, 40870, 53131, 56120, 61640, 72956, 80132, 81740, 91195, 94001, 100165, 106262, 145912, 160264, 163480, 182390, 188002, 200330, 212524, 265655, 364780, 376004, 400660, 425048, 470005, 531310, 729560, 752008, 801320, 940010, 1062620, 1222013, 1880020, 2125240, 2444026, 3760040, 4888052, 6110065, 9776104, 12220130, 24440260, 48880520]

約数ペア:

[(1, 48880520), (2, 24440260), (4, 12220130), (5, 9776104), (8, 6110065), (10, 4888052), (13, 3760040), (20, 2444026), (23, 2125240), (26, 1880020), (40, 1222013), (46, 1062620), (52, 940010), (61, 801320), (65, 752008), (67, 729560), (92, 531310), (104, 470005), (115, 425048), (122, 400660), (130, 376004), (134, 364780), (184, 265655), (230, 212524), (244, 200330), (260, 188002), (268, 182390), (299, 163480), (305, 160264), (335, 145912), (460, 106262), (488, 100165), (520, 94001), (536, 91195), (598, 81740), (610, 80132), (670, 72956), (793, 61640), (871, 56120), (920, 53131), (1196, 40870), (1220, 40066), (1340, 36478), (1403, 34840), (1495, 32696), (1541, 31720), (1586, 30820), (1742, 28060), (2392, 20435), (2440, 20033), (2680, 18239), (2806, 17420), (2990, 16348), (3082, 15860), (3172, 15410), (3484, 14030), (3965, 12328), (4087, 11960), (4355, 11224), (5612, 8710), (5980, 8174), (6164, 7930), (6344, 7705), (6968, 7015)]