259222720

素因数分解:

$2^6\times 5^1\times {\mathrm{810071}}^1$

素因数の和:810088

約数の個数: 28

約数和(自身を含む): 617274864

約数和(自身を除く): 358052144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 810071, 1620142, 3240284, 4050355, 6480568, 8100710, 12961136, 16201420, 25922272, 32402840, 51844544, 64805680, 129611360, 259222720]

約数ペア:

[(1, 259222720), (2, 129611360), (4, 64805680), (5, 51844544), (8, 32402840), (10, 25922272), (16, 16201420), (20, 12961136), (32, 8100710), (40, 6480568), (64, 4050355), (80, 3240284), (160, 1620142), (320, 810071)]