30977680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12491}}^1$

素因数の和:12535

約数の個数: 40

約数和(自身を含む): 74352384

約数和(自身を除く): 43374704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 387221, 499640, 774442, 999280, 1548884, 1936105, 3097768, 3872210, 6195536, 7744420, 15488840, 30977680]

約数ペア:

[(1, 30977680), (2, 15488840), (4, 7744420), (5, 6195536), (8, 3872210), (10, 3097768), (16, 1936105), (20, 1548884), (31, 999280), (40, 774442), (62, 499640), (80, 387221), (124, 249820), (155, 199856), (248, 124910), (310, 99928), (496, 62455), (620, 49964), (1240, 24982), (2480, 12491)]