211024840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{405817}}^1$

素因数の和:405841

約数の個数: 32

約数和(自身を含む): 511330680

約数和(自身を除く): 300305840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 405817, 811634, 1623268, 2029085, 3246536, 4058170, 5275621, 8116340, 10551242, 16232680, 21102484, 26378105, 42204968, 52756210, 105512420, 211024840]

約数ペア:

[(1, 211024840), (2, 105512420), (4, 52756210), (5, 42204968), (8, 26378105), (10, 21102484), (13, 16232680), (20, 10551242), (26, 8116340), (40, 5275621), (52, 4058170), (65, 3246536), (104, 2029085), (130, 1623268), (260, 811634), (520, 405817)]