520049140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{3373}}^1$

素因数の和:3988

約数の個数: 48

約数和(自身を含む): 1178443728

約数和(自身を除く): 658394588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 593, 1186, 2372, 2965, 3373, 5930, 6746, 7709, 11860, 13492, 15418, 16865, 30836, 33730, 38545, 43849, 67460, 77090, 87698, 154180, 175396, 219245, 438490, 876980, 2000189, 4000378, 8000756, 10000945, 20001890, 26002457, 40003780, 52004914, 104009828, 130012285, 260024570, 520049140]

約数ペア:

[(1, 520049140), (2, 260024570), (4, 130012285), (5, 104009828), (10, 52004914), (13, 40003780), (20, 26002457), (26, 20001890), (52, 10000945), (65, 8000756), (130, 4000378), (260, 2000189), (593, 876980), (1186, 438490), (2372, 219245), (2965, 175396), (3373, 154180), (5930, 87698), (6746, 77090), (7709, 67460), (11860, 43849), (13492, 38545), (15418, 33730), (16865, 30836)]