2007149080

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{102197}}^1$

素因数の和:102699

約数の個数: 32

約数和(自身を含む): 4525327440

約数和(自身を除く): 2518178360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 102197, 204394, 408788, 510985, 817576, 1021970, 2043940, 4087880, 50178727, 100357454, 200714908, 250893635, 401429816, 501787270, 1003574540, 2007149080]

約数ペア:

[(1, 2007149080), (2, 1003574540), (4, 501787270), (5, 401429816), (8, 250893635), (10, 200714908), (20, 100357454), (40, 50178727), (491, 4087880), (982, 2043940), (1964, 1021970), (2455, 817576), (3928, 510985), (4910, 408788), (9820, 204394), (19640, 102197)]