84965140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 193616640

約数和(自身を除く): 108651500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2351, 2780, 3614, 4702, 7228, 9035, 9404, 11755, 18070, 23510, 30563, 36140, 47020, 61126, 122252, 152815, 305630, 326789, 611260, 653578, 1307156, 1633945, 3267890, 4248257, 6535780, 8496514, 16993028, 21241285, 42482570, 84965140]

約数ペア:

[(1, 84965140), (2, 42482570), (4, 21241285), (5, 16993028), (10, 8496514), (13, 6535780), (20, 4248257), (26, 3267890), (52, 1633945), (65, 1307156), (130, 653578), (139, 611260), (260, 326789), (278, 305630), (556, 152815), (695, 122252), (1390, 61126), (1807, 47020), (2351, 36140), (2780, 30563), (3614, 23510), (4702, 18070), (7228, 11755), (9035, 9404)]