81382460

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2693}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 171079776

約数和(自身を除く): 89697316

約数列:

[1, 2, 4, 5, 10, 20, 1511, 2693, 3022, 5386, 6044, 7555, 10772, 13465, 15110, 26930, 30220, 53860, 4069123, 8138246, 16276492, 20345615, 40691230, 81382460]

約数ペア:

[(1, 81382460), (2, 40691230), (4, 20345615), (5, 16276492), (10, 8138246), (20, 4069123), (1511, 53860), (2693, 30220), (3022, 26930), (5386, 15110), (6044, 13465), (7555, 10772)]