28869680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1714

約数の個数: 80

約数和(自身を含む): 79233024

約数和(自身を除く): 50363344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1663, 1736, 2170, 2480, 3326, 3472, 4340, 6652, 8315, 8680, 11641, 13304, 16630, 17360, 23282, 26608, 33260, 46564, 51553, 58205, 66520, 93128, 103106, 116410, 133040, 186256, 206212, 232820, 257765, 360871, 412424, 465640, 515530, 721742, 824848, 931280, 1031060, 1443484, 1804355, 2062120, 2886968, 3608710, 4124240, 5773936, 7217420, 14434840, 28869680]

約数ペア:

[(1, 28869680), (2, 14434840), (4, 7217420), (5, 5773936), (7, 4124240), (8, 3608710), (10, 2886968), (14, 2062120), (16, 1804355), (20, 1443484), (28, 1031060), (31, 931280), (35, 824848), (40, 721742), (56, 515530), (62, 465640), (70, 412424), (80, 360871), (112, 257765), (124, 232820), (140, 206212), (155, 186256), (217, 133040), (248, 116410), (280, 103106), (310, 93128), (434, 66520), (496, 58205), (560, 51553), (620, 46564), (868, 33260), (1085, 26608), (1240, 23282), (1663, 17360), (1736, 16630), (2170, 13304), (2480, 11641), (3326, 8680), (3472, 8315), (4340, 6652)]