64690180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1013}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 141732864

約数和(自身を除く): 77042684

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1013, 1030, 2026, 2060, 3193, 4052, 5065, 6386, 10130, 12772, 15965, 20260, 31403, 31930, 62806, 63860, 104339, 125612, 157015, 208678, 314030, 417356, 521695, 628060, 1043390, 2086780, 3234509, 6469018, 12938036, 16172545, 32345090, 64690180]

約数ペア:

[(1, 64690180), (2, 32345090), (4, 16172545), (5, 12938036), (10, 6469018), (20, 3234509), (31, 2086780), (62, 1043390), (103, 628060), (124, 521695), (155, 417356), (206, 314030), (310, 208678), (412, 157015), (515, 125612), (620, 104339), (1013, 63860), (1030, 62806), (2026, 31930), (2060, 31403), (3193, 20260), (4052, 15965), (5065, 12772), (6386, 10130)]