31333250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 65415168

約数和(自身を除く): 34081918

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 311, 325, 403, 622, 650, 775, 806, 1550, 1555, 1625, 2015, 3110, 3250, 3875, 4030, 4043, 7750, 7775, 8086, 9641, 10075, 15550, 19282, 20150, 20215, 38875, 40430, 48205, 50375, 77750, 96410, 100750, 101075, 125333, 202150, 241025, 250666, 482050, 505375, 626665, 1010750, 1205125, 1253330, 2410250, 3133325, 6266650, 15666625, 31333250]

約数ペア:

[(1, 31333250), (2, 15666625), (5, 6266650), (10, 3133325), (13, 2410250), (25, 1253330), (26, 1205125), (31, 1010750), (50, 626665), (62, 505375), (65, 482050), (125, 250666), (130, 241025), (155, 202150), (250, 125333), (310, 101075), (311, 100750), (325, 96410), (403, 77750), (622, 50375), (650, 48205), (775, 40430), (806, 38875), (1550, 20215), (1555, 20150), (1625, 19282), (2015, 15550), (3110, 10075), (3250, 9641), (3875, 8086), (4030, 7775), (4043, 7750)]