65042720

素因数分解:

$2^5\times 5^1\times {\mathrm{406517}}^1$

素因数の和:406532

約数の個数: 24

約数和(自身を含む): 153663804

約数和(自身を除く): 88621084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 406517, 813034, 1626068, 2032585, 3252136, 4065170, 6504272, 8130340, 13008544, 16260680, 32521360, 65042720]

約数ペア:

[(1, 65042720), (2, 32521360), (4, 16260680), (5, 13008544), (8, 8130340), (10, 6504272), (16, 4065170), (20, 3252136), (32, 2032585), (40, 1626068), (80, 813034), (160, 406517)]