31937750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 66673152

約数和(自身を除く): 34735402

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 317, 325, 403, 634, 650, 775, 806, 1550, 1585, 1625, 2015, 3170, 3250, 3875, 4030, 4121, 7750, 7925, 8242, 9827, 10075, 15850, 19654, 20150, 20605, 39625, 41210, 49135, 50375, 79250, 98270, 100750, 103025, 127751, 206050, 245675, 255502, 491350, 515125, 638755, 1030250, 1228375, 1277510, 2456750, 3193775, 6387550, 15968875, 31937750]

約数ペア:

[(1, 31937750), (2, 15968875), (5, 6387550), (10, 3193775), (13, 2456750), (25, 1277510), (26, 1228375), (31, 1030250), (50, 638755), (62, 515125), (65, 491350), (125, 255502), (130, 245675), (155, 206050), (250, 127751), (310, 103025), (317, 100750), (325, 98270), (403, 79250), (634, 50375), (650, 49135), (775, 41210), (806, 39625), (1550, 20605), (1585, 20150), (1625, 19654), (2015, 15850), (3170, 10075), (3250, 9827), (3875, 8242), (4030, 7925), (4121, 7750)]