256251080

素因数分解:

$2^3\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{4409}}^1$

素因数の和:5873

約数の個数: 32

約数和(自身を含む): 577092600

約数和(自身を除く): 320841520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1453, 2906, 4409, 5812, 7265, 8818, 11624, 14530, 17636, 22045, 29060, 35272, 44090, 58120, 88180, 176360, 6406277, 12812554, 25625108, 32031385, 51250216, 64062770, 128125540, 256251080]

約数ペア:

[(1, 256251080), (2, 128125540), (4, 64062770), (5, 51250216), (8, 32031385), (10, 25625108), (20, 12812554), (40, 6406277), (1453, 176360), (2906, 88180), (4409, 58120), (5812, 44090), (7265, 35272), (8818, 29060), (11624, 22045), (14530, 17636)]