39780440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4583}}^1$

素因数の和:4632

約数の個数: 64

約数和(自身を含む): 105615360

約数和(自身を除く): 65834920

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, 2170, 4340, 4583, 8680, 9166, 18332, 22915, 32081, 36664, 45830, 64162, 91660, 128324, 142073, 160405, 183320, 256648, 284146, 320810, 568292, 641620, 710365, 994511, 1136584, 1283240, 1420730, 1989022, 2841460, 3978044, 4972555, 5682920, 7956088, 9945110, 19890220, 39780440]

約数ペア:

[(1, 39780440), (2, 19890220), (4, 9945110), (5, 7956088), (7, 5682920), (8, 4972555), (10, 3978044), (14, 2841460), (20, 1989022), (28, 1420730), (31, 1283240), (35, 1136584), (40, 994511), (56, 710365), (62, 641620), (70, 568292), (124, 320810), (140, 284146), (155, 256648), (217, 183320), (248, 160405), (280, 142073), (310, 128324), (434, 91660), (620, 64162), (868, 45830), (1085, 36664), (1240, 32081), (1736, 22915), (2170, 18332), (4340, 9166), (4583, 8680)]