888976520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{215771}}^1$

素因数の和:215885

約数の個数: 32

約数和(自身を含む): 2019625920

約数和(自身を除く): 1130649400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 215771, 431542, 863084, 1078855, 1726168, 2157710, 4315420, 8630840, 22224413, 44448826, 88897652, 111122065, 177795304, 222244130, 444488260, 888976520]

約数ペア:

[(1, 888976520), (2, 444488260), (4, 222244130), (5, 177795304), (8, 111122065), (10, 88897652), (20, 44448826), (40, 22224413), (103, 8630840), (206, 4315420), (412, 2157710), (515, 1726168), (824, 1078855), (1030, 863084), (2060, 431542), (4120, 215771)]