55585640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 147312000

約数和(自身を除く): 91726360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 61, 76, 88, 95, 109, 110, 122, 152, 190, 209, 218, 220, 244, 305, 380, 418, 436, 440, 488, 545, 610, 671, 760, 836, 872, 1045, 1090, 1159, 1199, 1220, 1342, 1672, 2071, 2090, 2180, 2318, 2398, 2440, 2684, 3355, 4142, 4180, 4360, 4636, 4796, 5368, 5795, 5995, 6649, 6710, 8284, 8360, 9272, 9592, 10355, 11590, 11990, 12749, 13298, 13420, 16568, 20710, 22781, 23180, 23980, 25498, 26596, 26840, 33245, 41420, 45562, 46360, 47960, 50996, 53192, 63745, 66490, 73139, 82840, 91124, 101992, 113905, 126331, 127490, 132980, 146278, 182248, 227810, 252662, 254980, 265960, 292556, 365695, 455620, 505324, 509960, 585112, 631655, 731390, 911240, 1010648, 1263310, 1389641, 1462780, 2526620, 2779282, 2925560, 5053240, 5558564, 6948205, 11117128, 13896410, 27792820, 55585640]

約数ペア:

[(1, 55585640), (2, 27792820), (4, 13896410), (5, 11117128), (8, 6948205), (10, 5558564), (11, 5053240), (19, 2925560), (20, 2779282), (22, 2526620), (38, 1462780), (40, 1389641), (44, 1263310), (55, 1010648), (61, 911240), (76, 731390), (88, 631655), (95, 585112), (109, 509960), (110, 505324), (122, 455620), (152, 365695), (190, 292556), (209, 265960), (218, 254980), (220, 252662), (244, 227810), (305, 182248), (380, 146278), (418, 132980), (436, 127490), (440, 126331), (488, 113905), (545, 101992), (610, 91124), (671, 82840), (760, 73139), (836, 66490), (872, 63745), (1045, 53192), (1090, 50996), (1159, 47960), (1199, 46360), (1220, 45562), (1342, 41420), (1672, 33245), (2071, 26840), (2090, 26596), (2180, 25498), (2318, 23980), (2398, 23180), (2440, 22781), (2684, 20710), (3355, 16568), (4142, 13420), (4180, 13298), (4360, 12749), (4636, 11990), (4796, 11590), (5368, 10355), (5795, 9592), (5995, 9272), (6649, 8360), (6710, 8284)]