65645920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10007}}^1$

素因数の和:10063

約数の個数: 48

約数和(自身を含む): 158887008

約数和(自身を除く): 93241088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 10007, 20014, 40028, 50035, 80056, 100070, 160112, 200140, 320224, 400280, 410287, 800560, 820574, 1601120, 1641148, 2051435, 3282296, 4102870, 6564592, 8205740, 13129184, 16411480, 32822960, 65645920]

約数ペア:

[(1, 65645920), (2, 32822960), (4, 16411480), (5, 13129184), (8, 8205740), (10, 6564592), (16, 4102870), (20, 3282296), (32, 2051435), (40, 1641148), (41, 1601120), (80, 820574), (82, 800560), (160, 410287), (164, 400280), (205, 320224), (328, 200140), (410, 160112), (656, 100070), (820, 80056), (1312, 50035), (1640, 40028), (3280, 20014), (6560, 10007)]