31260710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7757}}^1$

素因数の和:7808

約数の個数: 32

約数和(自身を含む): 62560512

約数和(自身を除く): 31299802

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7757, 15514, 38785, 77570, 100841, 201682, 240467, 480934, 504205, 1008410, 1202335, 2404670, 3126071, 6252142, 15630355, 31260710]

約数ペア:

[(1, 31260710), (2, 15630355), (5, 6252142), (10, 3126071), (13, 2404670), (26, 1202335), (31, 1008410), (62, 504205), (65, 480934), (130, 240467), (155, 201682), (310, 100841), (403, 77570), (806, 38785), (2015, 15514), (4030, 7757)]