27142480

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{691}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 63326304

約数和(自身を除く): 36183824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 691, 982, 1382, 1964, 2455, 2764, 3455, 3928, 4910, 5528, 6910, 7856, 9820, 11056, 13820, 19640, 27640, 39280, 55280, 339281, 678562, 1357124, 1696405, 2714248, 3392810, 5428496, 6785620, 13571240, 27142480]

約数ペア:

[(1, 27142480), (2, 13571240), (4, 6785620), (5, 5428496), (8, 3392810), (10, 2714248), (16, 1696405), (20, 1357124), (40, 678562), (80, 339281), (491, 55280), (691, 39280), (982, 27640), (1382, 19640), (1964, 13820), (2455, 11056), (2764, 9820), (3455, 7856), (3928, 6910), (4910, 5528)]