25546390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 47990880

約数和(自身を除く): 22444490

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 643, 685, 1286, 1370, 3215, 3973, 6430, 7946, 18647, 19865, 37294, 39730, 88091, 93235, 176182, 186470, 440455, 880910, 2554639, 5109278, 12773195, 25546390]

約数ペア:

[(1, 25546390), (2, 12773195), (5, 5109278), (10, 2554639), (29, 880910), (58, 440455), (137, 186470), (145, 176182), (274, 93235), (290, 88091), (643, 39730), (685, 37294), (1286, 19865), (1370, 18647), (3215, 7946), (3973, 6430)]