2007647960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{4111}}^1$

素因数の和:4572

約数の個数: 64

約数和(自身を含む): 4685212800

約数和(自身を除く): 2677564840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 421, 580, 842, 1160, 1684, 2105, 3368, 4111, 4210, 8222, 8420, 12209, 16444, 16840, 20555, 24418, 32888, 41110, 48836, 61045, 82220, 97672, 119219, 122090, 164440, 238438, 244180, 476876, 488360, 596095, 953752, 1192190, 1730731, 2384380, 3461462, 4768760, 6922924, 8653655, 13845848, 17307310, 34614620, 50191199, 69229240, 100382398, 200764796, 250955995, 401529592, 501911990, 1003823980, 2007647960]

約数ペア:

[(1, 2007647960), (2, 1003823980), (4, 501911990), (5, 401529592), (8, 250955995), (10, 200764796), (20, 100382398), (29, 69229240), (40, 50191199), (58, 34614620), (116, 17307310), (145, 13845848), (232, 8653655), (290, 6922924), (421, 4768760), (580, 3461462), (842, 2384380), (1160, 1730731), (1684, 1192190), (2105, 953752), (3368, 596095), (4111, 488360), (4210, 476876), (8222, 244180), (8420, 238438), (12209, 164440), (16444, 122090), (16840, 119219), (20555, 97672), (24418, 82220), (32888, 61045), (41110, 48836)]