65064920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 152565120

約数和(自身を除く): 87500200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 653, 940, 1060, 1306, 1880, 2120, 2491, 2612, 3265, 4982, 5224, 6530, 9964, 12455, 13060, 19928, 24910, 26120, 30691, 34609, 49820, 61382, 69218, 99640, 122764, 138436, 153455, 173045, 245528, 276872, 306910, 346090, 613820, 692180, 1227640, 1384360, 1626623, 3253246, 6506492, 8133115, 13012984, 16266230, 32532460, 65064920]

約数ペア:

[(1, 65064920), (2, 32532460), (4, 16266230), (5, 13012984), (8, 8133115), (10, 6506492), (20, 3253246), (40, 1626623), (47, 1384360), (53, 1227640), (94, 692180), (106, 613820), (188, 346090), (212, 306910), (235, 276872), (265, 245528), (376, 173045), (424, 153455), (470, 138436), (530, 122764), (653, 99640), (940, 69218), (1060, 61382), (1306, 49820), (1880, 34609), (2120, 30691), (2491, 26120), (2612, 24910), (3265, 19928), (4982, 13060), (5224, 12455), (6530, 9964)]