25981120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 112

約数和(自身を含む): 69165216

約数和(自身を除く): 43184096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 121, 122, 160, 176, 220, 242, 244, 305, 320, 352, 440, 484, 488, 605, 610, 671, 704, 880, 968, 976, 1210, 1220, 1331, 1342, 1760, 1936, 1952, 2420, 2440, 2662, 2684, 3355, 3520, 3872, 3904, 4840, 4880, 5324, 5368, 6655, 6710, 7381, 7744, 9680, 9760, 10648, 10736, 13310, 13420, 14762, 19360, 19520, 21296, 21472, 26620, 26840, 29524, 36905, 38720, 42592, 42944, 53240, 53680, 59048, 73810, 81191, 85184, 106480, 107360, 118096, 147620, 162382, 212960, 214720, 236192, 295240, 324764, 405955, 425920, 472384, 590480, 649528, 811910, 1180960, 1299056, 1623820, 2361920, 2598112, 3247640, 5196224, 6495280, 12990560, 25981120]

約数ペア:

[(1, 25981120), (2, 12990560), (4, 6495280), (5, 5196224), (8, 3247640), (10, 2598112), (11, 2361920), (16, 1623820), (20, 1299056), (22, 1180960), (32, 811910), (40, 649528), (44, 590480), (55, 472384), (61, 425920), (64, 405955), (80, 324764), (88, 295240), (110, 236192), (121, 214720), (122, 212960), (160, 162382), (176, 147620), (220, 118096), (242, 107360), (244, 106480), (305, 85184), (320, 81191), (352, 73810), (440, 59048), (484, 53680), (488, 53240), (605, 42944), (610, 42592), (671, 38720), (704, 36905), (880, 29524), (968, 26840), (976, 26620), (1210, 21472), (1220, 21296), (1331, 19520), (1342, 19360), (1760, 14762), (1936, 13420), (1952, 13310), (2420, 10736), (2440, 10648), (2662, 9760), (2684, 9680), (3355, 7744), (3520, 7381), (3872, 6710), (3904, 6655), (4840, 5368), (4880, 5324)]