85402520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9839}}^1$

素因数の和:9888

約数の個数: 64

約数和(自身を含む): 226713600

約数和(自身を除く): 141311080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9839, 19678, 39356, 49195, 68873, 78712, 98390, 137746, 196780, 275492, 305009, 344365, 393560, 550984, 610018, 688730, 1220036, 1377460, 1525045, 2135063, 2440072, 2754920, 3050090, 4270126, 6100180, 8540252, 10675315, 12200360, 17080504, 21350630, 42701260, 85402520]

約数ペア:

[(1, 85402520), (2, 42701260), (4, 21350630), (5, 17080504), (7, 12200360), (8, 10675315), (10, 8540252), (14, 6100180), (20, 4270126), (28, 3050090), (31, 2754920), (35, 2440072), (40, 2135063), (56, 1525045), (62, 1377460), (70, 1220036), (124, 688730), (140, 610018), (155, 550984), (217, 393560), (248, 344365), (280, 305009), (310, 275492), (434, 196780), (620, 137746), (868, 98390), (1085, 78712), (1240, 68873), (1736, 49195), (2170, 39356), (4340, 19678), (8680, 9839)]