1871798560

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{164771}}^1$

素因数の和:164857

約数の個数: 48

約数和(自身を含む): 4484434752

約数和(自身を除く): 2612636192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 164771, 329542, 659084, 823855, 1318168, 1647710, 2636336, 3295420, 5272672, 6590840, 11698741, 13181680, 23397482, 26363360, 46794964, 58493705, 93589928, 116987410, 187179856, 233974820, 374359712, 467949640, 935899280, 1871798560]

約数ペア:

[(1, 1871798560), (2, 935899280), (4, 467949640), (5, 374359712), (8, 233974820), (10, 187179856), (16, 116987410), (20, 93589928), (32, 58493705), (40, 46794964), (71, 26363360), (80, 23397482), (142, 13181680), (160, 11698741), (284, 6590840), (355, 5272672), (568, 3295420), (710, 2636336), (1136, 1647710), (1420, 1318168), (2272, 823855), (2840, 659084), (5680, 329542), (11360, 164771)]