55415620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1627}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 126358848

約数和(自身を除く): 70943228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1627, 1703, 2620, 3254, 3406, 6508, 6812, 8135, 8515, 16270, 17030, 21151, 32540, 34060, 42302, 84604, 105755, 211510, 213137, 423020, 426274, 852548, 1065685, 2131370, 2770781, 4262740, 5541562, 11083124, 13853905, 27707810, 55415620]

約数ペア:

[(1, 55415620), (2, 27707810), (4, 13853905), (5, 11083124), (10, 5541562), (13, 4262740), (20, 2770781), (26, 2131370), (52, 1065685), (65, 852548), (130, 426274), (131, 423020), (260, 213137), (262, 211510), (524, 105755), (655, 84604), (1310, 42302), (1627, 34060), (1703, 32540), (2620, 21151), (3254, 17030), (3406, 16270), (6508, 8515), (6812, 8135)]