65345980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9931}}^1$

素因数の和:9994

約数の個数: 48

約数和(自身を含む): 160183296

約数和(自身を除く): 94837316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 9931, 19862, 39724, 49655, 69517, 99310, 139034, 198620, 278068, 347585, 466757, 695170, 933514, 1390340, 1867028, 2333785, 3267299, 4667570, 6534598, 9335140, 13069196, 16336495, 32672990, 65345980]

約数ペア:

[(1, 65345980), (2, 32672990), (4, 16336495), (5, 13069196), (7, 9335140), (10, 6534598), (14, 4667570), (20, 3267299), (28, 2333785), (35, 1867028), (47, 1390340), (70, 933514), (94, 695170), (140, 466757), (188, 347585), (235, 278068), (329, 198620), (470, 139034), (658, 99310), (940, 69517), (1316, 49655), (1645, 39724), (3290, 19862), (6580, 9931)]