255371080

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{76919}}^1$

素因数の和:77013

約数の個数: 32

約数和(自身を含む): 581515200

約数和(自身を除く): 326144120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 76919, 153838, 307676, 384595, 615352, 769190, 1538380, 3076760, 6384277, 12768554, 25537108, 31921385, 51074216, 63842770, 127685540, 255371080]

約数ペア:

[(1, 255371080), (2, 127685540), (4, 63842770), (5, 51074216), (8, 31921385), (10, 25537108), (20, 12768554), (40, 6384277), (83, 3076760), (166, 1538380), (332, 769190), (415, 615352), (664, 384595), (830, 307676), (1660, 153838), (3320, 76919)]