65441480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 159470640

約数和(自身を除く): 94029160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 397, 520, 634, 794, 1268, 1585, 1588, 1985, 2536, 3170, 3176, 3970, 4121, 5161, 6340, 7940, 8242, 10322, 12680, 15880, 16484, 20605, 20644, 25805, 32968, 41210, 41288, 51610, 82420, 103220, 125849, 164840, 206440, 251698, 503396, 629245, 1006792, 1258490, 1636037, 2516980, 3272074, 5033960, 6544148, 8180185, 13088296, 16360370, 32720740, 65441480]

約数ペア:

[(1, 65441480), (2, 32720740), (4, 16360370), (5, 13088296), (8, 8180185), (10, 6544148), (13, 5033960), (20, 3272074), (26, 2516980), (40, 1636037), (52, 1258490), (65, 1006792), (104, 629245), (130, 503396), (260, 251698), (317, 206440), (397, 164840), (520, 125849), (634, 103220), (794, 82420), (1268, 51610), (1585, 41288), (1588, 41210), (1985, 32968), (2536, 25805), (3170, 20644), (3176, 20605), (3970, 16484), (4121, 15880), (5161, 12680), (6340, 10322), (7940, 8242)]