53555780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2351}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 120911616

約数和(自身を除く): 67355836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 2351, 4556, 4702, 5695, 9404, 11390, 11755, 22780, 23510, 39967, 47020, 79934, 157517, 159868, 199835, 315034, 399670, 630068, 787585, 799340, 1575170, 2677789, 3150340, 5355578, 10711156, 13388945, 26777890, 53555780]

約数ペア:

[(1, 53555780), (2, 26777890), (4, 13388945), (5, 10711156), (10, 5355578), (17, 3150340), (20, 2677789), (34, 1575170), (67, 799340), (68, 787585), (85, 630068), (134, 399670), (170, 315034), (268, 199835), (335, 159868), (340, 157517), (670, 79934), (1139, 47020), (1340, 39967), (2278, 23510), (2351, 22780), (4556, 11755), (4702, 11390), (5695, 9404)]