90620440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 212751360

約数和(自身を除く): 122130920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 620, 683, 856, 1070, 1240, 1366, 2140, 2732, 3317, 3415, 4280, 5464, 6634, 6830, 13268, 13660, 16585, 21173, 26536, 27320, 33170, 42346, 66340, 73081, 84692, 105865, 132680, 146162, 169384, 211730, 292324, 365405, 423460, 584648, 730810, 846920, 1461620, 2265511, 2923240, 4531022, 9062044, 11327555, 18124088, 22655110, 45310220, 90620440]

約数ペア:

[(1, 90620440), (2, 45310220), (4, 22655110), (5, 18124088), (8, 11327555), (10, 9062044), (20, 4531022), (31, 2923240), (40, 2265511), (62, 1461620), (107, 846920), (124, 730810), (155, 584648), (214, 423460), (248, 365405), (310, 292324), (428, 211730), (535, 169384), (620, 146162), (683, 132680), (856, 105865), (1070, 84692), (1240, 73081), (1366, 66340), (2140, 42346), (2732, 33170), (3317, 27320), (3415, 26536), (4280, 21173), (5464, 16585), (6634, 13660), (6830, 13268)]