25445584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 51246720

約数和(自身を除く): 25801136

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 491, 632, 656, 982, 1264, 1964, 3239, 3928, 6478, 7856, 12956, 20131, 25912, 38789, 40262, 51824, 77578, 80524, 155156, 161048, 310312, 322096, 620624, 1590349, 3180698, 6361396, 12722792, 25445584]

約数ペア:

[(1, 25445584), (2, 12722792), (4, 6361396), (8, 3180698), (16, 1590349), (41, 620624), (79, 322096), (82, 310312), (158, 161048), (164, 155156), (316, 80524), (328, 77578), (491, 51824), (632, 40262), (656, 38789), (982, 25912), (1264, 20131), (1964, 12956), (3239, 7856), (3928, 6478)]