159487250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 332107776

約数和(自身を除く): 172620526

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 650, 775, 806, 1550, 1583, 1625, 2015, 3166, 3250, 3875, 4030, 7750, 7915, 10075, 15830, 20150, 20579, 39575, 41158, 49073, 50375, 79150, 98146, 100750, 102895, 197875, 205790, 245365, 395750, 490730, 514475, 637949, 1028950, 1226825, 1275898, 2453650, 2572375, 3189745, 5144750, 6134125, 6379490, 12268250, 15948725, 31897450, 79743625, 159487250]

約数ペア:

[(1, 159487250), (2, 79743625), (5, 31897450), (10, 15948725), (13, 12268250), (25, 6379490), (26, 6134125), (31, 5144750), (50, 3189745), (62, 2572375), (65, 2453650), (125, 1275898), (130, 1226825), (155, 1028950), (250, 637949), (310, 514475), (325, 490730), (403, 395750), (650, 245365), (775, 205790), (806, 197875), (1550, 102895), (1583, 100750), (1625, 98146), (2015, 79150), (3166, 50375), (3250, 49073), (3875, 41158), (4030, 39575), (7750, 20579), (7915, 20150), (10075, 15830)]