20175037280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{5903}}^1$

素因数の和:6480

約数の個数: 96

約数和(自身を含む): 48928053888

約数和(自身を除く): 28753016608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 521, 656, 820, 1042, 1312, 1640, 2084, 2605, 3280, 4168, 5210, 5903, 6560, 8336, 10420, 11806, 16672, 20840, 21361, 23612, 29515, 41680, 42722, 47224, 59030, 83360, 85444, 94448, 106805, 118060, 170888, 188896, 213610, 236120, 242023, 341776, 427220, 472240, 484046, 683552, 854440, 944480, 968092, 1210115, 1708880, 1936184, 2420230, 3075463, 3417760, 3872368, 4840460, 6150926, 7744736, 9680920, 12301852, 15377315, 19361840, 24603704, 30754630, 38723680, 49207408, 61509260, 98414816, 123018520, 126093983, 246037040, 252187966, 492074080, 504375932, 630469915, 1008751864, 1260939830, 2017503728, 2521879660, 4035007456, 5043759320, 10087518640, 20175037280]

約数ペア:

[(1, 20175037280), (2, 10087518640), (4, 5043759320), (5, 4035007456), (8, 2521879660), (10, 2017503728), (16, 1260939830), (20, 1008751864), (32, 630469915), (40, 504375932), (41, 492074080), (80, 252187966), (82, 246037040), (160, 126093983), (164, 123018520), (205, 98414816), (328, 61509260), (410, 49207408), (521, 38723680), (656, 30754630), (820, 24603704), (1042, 19361840), (1312, 15377315), (1640, 12301852), (2084, 9680920), (2605, 7744736), (3280, 6150926), (4168, 4840460), (5210, 3872368), (5903, 3417760), (6560, 3075463), (8336, 2420230), (10420, 1936184), (11806, 1708880), (16672, 1210115), (20840, 968092), (21361, 944480), (23612, 854440), (29515, 683552), (41680, 484046), (42722, 472240), (47224, 427220), (59030, 341776), (83360, 242023), (85444, 236120), (94448, 213610), (106805, 188896), (118060, 170888)]