25983890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 48936960

約数和(自身を除く): 22953070

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 1061, 2122, 2449, 4898, 5305, 10610, 12245, 24490, 32891, 65782, 83819, 164455, 167638, 328910, 419095, 838190, 2598389, 5196778, 12991945, 25983890]

約数ペア:

[(1, 25983890), (2, 12991945), (5, 5196778), (10, 2598389), (31, 838190), (62, 419095), (79, 328910), (155, 167638), (158, 164455), (310, 83819), (395, 65782), (790, 32891), (1061, 24490), (2122, 12245), (2449, 10610), (4898, 5305)]