128250875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 172523520

約数和(自身を除く): 44272645

約数列:

[1, 5, 23, 25, 31, 115, 125, 155, 575, 713, 775, 1439, 2875, 3565, 3875, 7195, 17825, 33097, 35975, 44609, 89125, 165485, 179875, 223045, 827425, 1026007, 1115225, 4137125, 5130035, 5576125, 25650175, 128250875]

約数ペア:

[(1, 128250875), (5, 25650175), (23, 5576125), (25, 5130035), (31, 4137125), (115, 1115225), (125, 1026007), (155, 827425), (575, 223045), (713, 179875), (775, 165485), (1439, 89125), (2875, 44609), (3565, 35975), (3875, 33097), (7195, 17825)]