2777688040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2240071}}^1$

素因数の和:2240113

約数の個数: 32

約数和(自身を含む): 6451407360

約数和(自身を除く): 3673719320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2240071, 4480142, 8960284, 11200355, 17920568, 22400710, 44801420, 69442201, 89602840, 138884402, 277768804, 347211005, 555537608, 694422010, 1388844020, 2777688040]

約数ペア:

[(1, 2777688040), (2, 1388844020), (4, 694422010), (5, 555537608), (8, 347211005), (10, 277768804), (20, 138884402), (31, 89602840), (40, 69442201), (62, 44801420), (124, 22400710), (155, 17920568), (248, 11200355), (310, 8960284), (620, 4480142), (1240, 2240071)]