89462720

素因数分解:

$2^6\times 5^1\times {\mathrm{279571}}^1$

素因数の和:279588

約数の個数: 28

約数和(自身を含む): 213033864

約数和(自身を除く): 123571144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 279571, 559142, 1118284, 1397855, 2236568, 2795710, 4473136, 5591420, 8946272, 11182840, 17892544, 22365680, 44731360, 89462720]

約数ペア:

[(1, 89462720), (2, 44731360), (4, 22365680), (5, 17892544), (8, 11182840), (10, 8946272), (16, 5591420), (20, 4473136), (32, 2795710), (40, 2236568), (64, 1397855), (80, 1118284), (160, 559142), (320, 279571)]