1087427920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{438479}}^1$

素因数の和:438523

約数の個数: 40

約数和(自身を含む): 2609832960

約数和(自身を除く): 1522405040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 438479, 876958, 1753916, 2192395, 3507832, 4384790, 7015664, 8769580, 13592849, 17539160, 27185698, 35078320, 54371396, 67964245, 108742792, 135928490, 217485584, 271856980, 543713960, 1087427920]

約数ペア:

[(1, 1087427920), (2, 543713960), (4, 271856980), (5, 217485584), (8, 135928490), (10, 108742792), (16, 67964245), (20, 54371396), (31, 35078320), (40, 27185698), (62, 17539160), (80, 13592849), (124, 8769580), (155, 7015664), (248, 4384790), (310, 3507832), (496, 2192395), (620, 1753916), (1240, 876958), (2480, 438479)]