64529620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3581}}^1$

素因数の和:3660

約数の個数: 48

約数和(自身を含む): 146231568

約数和(自身を除く): 81701948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3581, 3604, 4505, 7162, 9010, 14324, 17905, 18020, 35810, 60877, 71620, 121754, 189793, 243508, 304385, 379586, 608770, 759172, 948965, 1217540, 1897930, 3226481, 3795860, 6452962, 12905924, 16132405, 32264810, 64529620]

約数ペア:

[(1, 64529620), (2, 32264810), (4, 16132405), (5, 12905924), (10, 6452962), (17, 3795860), (20, 3226481), (34, 1897930), (53, 1217540), (68, 948965), (85, 759172), (106, 608770), (170, 379586), (212, 304385), (265, 243508), (340, 189793), (530, 121754), (901, 71620), (1060, 60877), (1802, 35810), (3581, 18020), (3604, 17905), (4505, 14324), (7162, 9010)]