25888875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 21555093

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 125, 131, 155, 255, 375, 393, 425, 465, 527, 655, 775, 1275, 1581, 1965, 2125, 2227, 2325, 2635, 3275, 3875, 4061, 6375, 6681, 7905, 9825, 11135, 11625, 12183, 13175, 16375, 20305, 33405, 39525, 49125, 55675, 60915, 65875, 69037, 101525, 167025, 197625, 207111, 278375, 304575, 345185, 507625, 835125, 1035555, 1522875, 1725925, 5177775, 8629625, 25888875]

約数ペア:

[(1, 25888875), (3, 8629625), (5, 5177775), (15, 1725925), (17, 1522875), (25, 1035555), (31, 835125), (51, 507625), (75, 345185), (85, 304575), (93, 278375), (125, 207111), (131, 197625), (155, 167025), (255, 101525), (375, 69037), (393, 65875), (425, 60915), (465, 55675), (527, 49125), (655, 39525), (775, 33405), (1275, 20305), (1581, 16375), (1965, 13175), (2125, 12183), (2227, 11625), (2325, 11135), (2635, 9825), (3275, 7905), (3875, 6681), (4061, 6375)]