2079882520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{6481}}^1$

素因数の和:6676

約数の個数: 64

約数和(自身を含む): 4788383040

約数和(自身を除く): 2708500520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 226, 284, 355, 452, 565, 568, 710, 904, 1130, 1420, 2260, 2840, 4520, 6481, 8023, 12962, 16046, 25924, 32092, 32405, 40115, 51848, 64184, 64810, 80230, 129620, 160460, 259240, 320920, 460151, 732353, 920302, 1464706, 1840604, 2300755, 2929412, 3661765, 3681208, 4601510, 5858824, 7323530, 9203020, 14647060, 18406040, 29294120, 51997063, 103994126, 207988252, 259985315, 415976504, 519970630, 1039941260, 2079882520]

約数ペア:

[(1, 2079882520), (2, 1039941260), (4, 519970630), (5, 415976504), (8, 259985315), (10, 207988252), (20, 103994126), (40, 51997063), (71, 29294120), (113, 18406040), (142, 14647060), (226, 9203020), (284, 7323530), (355, 5858824), (452, 4601510), (565, 3681208), (568, 3661765), (710, 2929412), (904, 2300755), (1130, 1840604), (1420, 1464706), (2260, 920302), (2840, 732353), (4520, 460151), (6481, 320920), (8023, 259240), (12962, 160460), (16046, 129620), (25924, 80230), (32092, 64810), (32405, 64184), (40115, 51848)]