156937840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19423}}^1$

素因数の和:19537

約数の個数: 40

約数和(自身を含む): 368512128

約数和(自身を除く): 211574288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 19423, 38846, 77692, 97115, 155384, 194230, 310768, 388460, 776920, 1553840, 1961723, 3923446, 7846892, 9808615, 15693784, 19617230, 31387568, 39234460, 78468920, 156937840]

約数ペア:

[(1, 156937840), (2, 78468920), (4, 39234460), (5, 31387568), (8, 19617230), (10, 15693784), (16, 9808615), (20, 7846892), (40, 3923446), (80, 1961723), (101, 1553840), (202, 776920), (404, 388460), (505, 310768), (808, 194230), (1010, 155384), (1616, 97115), (2020, 77692), (4040, 38846), (8080, 19423)]