89017640

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{6199}}^1$

素因数の和:6569

約数の個数: 32

約数和(自身を含む): 200880000

約数和(自身を除く): 111862360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 6199, 7180, 12398, 14360, 24796, 30995, 49592, 61990, 123980, 247960, 2225441, 4450882, 8901764, 11127205, 17803528, 22254410, 44508820, 89017640]

約数ペア:

[(1, 89017640), (2, 44508820), (4, 22254410), (5, 17803528), (8, 11127205), (10, 8901764), (20, 4450882), (40, 2225441), (359, 247960), (718, 123980), (1436, 61990), (1795, 49592), (2872, 30995), (3590, 24796), (6199, 14360), (7180, 12398)]