5165840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 12403968

約数和(自身を除く): 7238128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2083, 2480, 4166, 8332, 10415, 16664, 20830, 33328, 41660, 64573, 83320, 129146, 166640, 258292, 322865, 516584, 645730, 1033168, 1291460, 2582920, 5165840]

約数ペア:

[(1, 5165840), (2, 2582920), (4, 1291460), (5, 1033168), (8, 645730), (10, 516584), (16, 322865), (20, 258292), (31, 166640), (40, 129146), (62, 83320), (80, 64573), (124, 41660), (155, 33328), (248, 20830), (310, 16664), (496, 10415), (620, 8332), (1240, 4166), (2083, 2480)]