89166520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 209848320

約数和(自身を除く): 120681800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1103, 1720, 1880, 2021, 2206, 4042, 4412, 5515, 8084, 8824, 10105, 11030, 16168, 20210, 22060, 40420, 44120, 47429, 51841, 80840, 94858, 103682, 189716, 207364, 237145, 259205, 379432, 414728, 474290, 518410, 948580, 1036820, 1897160, 2073640, 2229163, 4458326, 8916652, 11145815, 17833304, 22291630, 44583260, 89166520]

約数ペア:

[(1, 89166520), (2, 44583260), (4, 22291630), (5, 17833304), (8, 11145815), (10, 8916652), (20, 4458326), (40, 2229163), (43, 2073640), (47, 1897160), (86, 1036820), (94, 948580), (172, 518410), (188, 474290), (215, 414728), (235, 379432), (344, 259205), (376, 237145), (430, 207364), (470, 189716), (860, 103682), (940, 94858), (1103, 80840), (1720, 51841), (1880, 47429), (2021, 44120), (2206, 40420), (4042, 22060), (4412, 20210), (5515, 16168), (8084, 11030), (8824, 10105)]