81524420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5717}}^1$

素因数の和:5780

約数の個数: 48

約数和(自身を含む): 184439808

約数和(自身を除く): 102915388

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 5717, 7130, 11434, 14260, 22868, 28585, 57170, 114340, 131491, 177227, 262982, 354454, 525964, 657455, 708908, 886135, 1314910, 1772270, 2629820, 3544540, 4076221, 8152442, 16304884, 20381105, 40762210, 81524420]

約数ペア:

[(1, 81524420), (2, 40762210), (4, 20381105), (5, 16304884), (10, 8152442), (20, 4076221), (23, 3544540), (31, 2629820), (46, 1772270), (62, 1314910), (92, 886135), (115, 708908), (124, 657455), (155, 525964), (230, 354454), (310, 262982), (460, 177227), (620, 131491), (713, 114340), (1426, 57170), (2852, 28585), (3565, 22868), (5717, 14260), (7130, 11434)]