73257680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10289}}^1$

素因数の和:10391

約数の個数: 40

約数和(自身を含む): 172254600

約数和(自身を除く): 98996920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10289, 20578, 41156, 51445, 82312, 102890, 164624, 205780, 411560, 823120, 915721, 1831442, 3662884, 4578605, 7325768, 9157210, 14651536, 18314420, 36628840, 73257680]

約数ペア:

[(1, 73257680), (2, 36628840), (4, 18314420), (5, 14651536), (8, 9157210), (10, 7325768), (16, 4578605), (20, 3662884), (40, 1831442), (80, 915721), (89, 823120), (178, 411560), (356, 205780), (445, 164624), (712, 102890), (890, 82312), (1424, 51445), (1780, 41156), (3560, 20578), (7120, 10289)]