87119920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35129}}^1$

素因数の和:35173

約数の個数: 40

約数和(自身を含む): 209093760

約数和(自身を除く): 121973840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 35129, 70258, 140516, 175645, 281032, 351290, 562064, 702580, 1088999, 1405160, 2177998, 2810320, 4355996, 5444995, 8711992, 10889990, 17423984, 21779980, 43559960, 87119920]

約数ペア:

[(1, 87119920), (2, 43559960), (4, 21779980), (5, 17423984), (8, 10889990), (10, 8711992), (16, 5444995), (20, 4355996), (31, 2810320), (40, 2177998), (62, 1405160), (80, 1088999), (124, 702580), (155, 562064), (248, 351290), (310, 281032), (496, 175645), (620, 140516), (1240, 70258), (2480, 35129)]