20132216080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2399}}^1\times {\mathrm{5521}}^1$

素因数の和:7952

約数の個数: 80

約数和(自身を含む): 49300416000

約数和(自身を除く): 29168199920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2399, 4798, 5521, 9596, 11042, 11995, 19192, 22084, 23990, 27605, 38384, 44168, 45581, 47980, 55210, 88336, 91162, 95960, 104899, 110420, 182324, 191920, 209798, 220840, 227905, 364648, 419596, 441680, 455810, 524495, 729296, 839192, 911620, 1048990, 1678384, 1823240, 2097980, 3646480, 4195960, 8391920, 13244879, 26489758, 52979516, 66224395, 105959032, 132448790, 211918064, 251652701, 264897580, 503305402, 529795160, 1006610804, 1059590320, 1258263505, 2013221608, 2516527010, 4026443216, 5033054020, 10066108040, 20132216080]

約数ペア:

[(1, 20132216080), (2, 10066108040), (4, 5033054020), (5, 4026443216), (8, 2516527010), (10, 2013221608), (16, 1258263505), (19, 1059590320), (20, 1006610804), (38, 529795160), (40, 503305402), (76, 264897580), (80, 251652701), (95, 211918064), (152, 132448790), (190, 105959032), (304, 66224395), (380, 52979516), (760, 26489758), (1520, 13244879), (2399, 8391920), (4798, 4195960), (5521, 3646480), (9596, 2097980), (11042, 1823240), (11995, 1678384), (19192, 1048990), (22084, 911620), (23990, 839192), (27605, 729296), (38384, 524495), (44168, 455810), (45581, 441680), (47980, 419596), (55210, 364648), (88336, 227905), (91162, 220840), (95960, 209798), (104899, 191920), (110420, 182324)]