18080440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2132

約数の個数: 64

約数和(自身を含む): 48015360

約数和(自身を除く): 29934920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2083, 2170, 4166, 4340, 8332, 8680, 10415, 14581, 16664, 20830, 29162, 41660, 58324, 64573, 72905, 83320, 116648, 129146, 145810, 258292, 291620, 322865, 452011, 516584, 583240, 645730, 904022, 1291460, 1808044, 2260055, 2582920, 3616088, 4520110, 9040220, 18080440]

約数ペア:

[(1, 18080440), (2, 9040220), (4, 4520110), (5, 3616088), (7, 2582920), (8, 2260055), (10, 1808044), (14, 1291460), (20, 904022), (28, 645730), (31, 583240), (35, 516584), (40, 452011), (56, 322865), (62, 291620), (70, 258292), (124, 145810), (140, 129146), (155, 116648), (217, 83320), (248, 72905), (280, 64573), (310, 58324), (434, 41660), (620, 29162), (868, 20830), (1085, 16664), (1240, 14581), (1736, 10415), (2083, 8680), (2170, 8332), (4166, 4340)]