31676920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71993}}^1$

素因数の和:72015

約数の個数: 32

約数和(自身を含む): 77753520

約数和(自身を除く): 46076600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71993, 143986, 287972, 359965, 575944, 719930, 791923, 1439860, 1583846, 2879720, 3167692, 3959615, 6335384, 7919230, 15838460, 31676920]

約数ペア:

[(1, 31676920), (2, 15838460), (4, 7919230), (5, 6335384), (8, 3959615), (10, 3167692), (11, 2879720), (20, 1583846), (22, 1439860), (40, 791923), (44, 719930), (55, 575944), (88, 359965), (110, 287972), (220, 143986), (440, 71993)]