25221670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 46604160

約数和(自身を除く): 21382490

約数列:

[1, 2, 5, 10, 61, 122, 173, 239, 305, 346, 478, 610, 865, 1195, 1730, 2390, 10553, 14579, 21106, 29158, 41347, 52765, 72895, 82694, 105530, 145790, 206735, 413470, 2522167, 5044334, 12610835, 25221670]

約数ペア:

[(1, 25221670), (2, 12610835), (5, 5044334), (10, 2522167), (61, 413470), (122, 206735), (173, 145790), (239, 105530), (305, 82694), (346, 72895), (478, 52765), (610, 41347), (865, 29158), (1195, 21106), (1730, 14579), (2390, 10553)]