165340240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158981}}^1$

素因数の和:159007

約数の個数: 40

約数和(自身を含む): 413989128

約数和(自身を除く): 248648888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 158981, 317962, 635924, 794905, 1271848, 1589810, 2066753, 2543696, 3179620, 4133506, 6359240, 8267012, 10333765, 12718480, 16534024, 20667530, 33068048, 41335060, 82670120, 165340240]

約数ペア:

[(1, 165340240), (2, 82670120), (4, 41335060), (5, 33068048), (8, 20667530), (10, 16534024), (13, 12718480), (16, 10333765), (20, 8267012), (26, 6359240), (40, 4133506), (52, 3179620), (65, 2543696), (80, 2066753), (104, 1589810), (130, 1271848), (208, 794905), (260, 635924), (520, 317962), (1040, 158981)]