1305160

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 2986560

約数和(自身を除く): 1681400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 487, 536, 670, 974, 1340, 1948, 2435, 2680, 3896, 4870, 9740, 19480, 32629, 65258, 130516, 163145, 261032, 326290, 652580, 1305160]

約数ペア:

[(1, 1305160), (2, 652580), (4, 326290), (5, 261032), (8, 163145), (10, 130516), (20, 65258), (40, 32629), (67, 19480), (134, 9740), (268, 4870), (335, 3896), (487, 2680), (536, 2435), (670, 1948), (974, 1340)]