64265500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9887}}^1$

素因数の和:9919

約数の個数: 48

約数和(自身を含む): 151167744

約数和(自身を除く): 86902244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 9887, 19774, 39548, 49435, 98870, 128531, 197740, 247175, 257062, 494350, 514124, 642655, 988700, 1235875, 1285310, 2471750, 2570620, 3213275, 4943500, 6426550, 12853100, 16066375, 32132750, 64265500]

約数ペア:

[(1, 64265500), (2, 32132750), (4, 16066375), (5, 12853100), (10, 6426550), (13, 4943500), (20, 3213275), (25, 2570620), (26, 2471750), (50, 1285310), (52, 1235875), (65, 988700), (100, 642655), (125, 514124), (130, 494350), (250, 257062), (260, 247175), (325, 197740), (500, 128531), (650, 98870), (1300, 49435), (1625, 39548), (3250, 19774), (6500, 9887)]