51292280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98639}}^1$

素因数の和:98663

約数の個数: 32

約数和(自身を含む): 124286400

約数和(自身を除く): 72994120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98639, 197278, 394556, 493195, 789112, 986390, 1282307, 1972780, 2564614, 3945560, 5129228, 6411535, 10258456, 12823070, 25646140, 51292280]

約数ペア:

[(1, 51292280), (2, 25646140), (4, 12823070), (5, 10258456), (8, 6411535), (10, 5129228), (13, 3945560), (20, 2564614), (26, 1972780), (40, 1282307), (52, 986390), (65, 789112), (104, 493195), (130, 394556), (260, 197278), (520, 98639)]