2078166760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^2\times {\mathrm{2689}}^1$

素因数の和:2978

約数の個数: 48

約数和(自身を含む): 4711508100

約数和(自身を除く): 2633341340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2689, 2780, 5378, 5560, 10756, 13445, 19321, 21512, 26890, 38642, 53780, 77284, 96605, 107560, 154568, 193210, 373771, 386420, 747542, 772840, 1495084, 1868855, 2990168, 3737710, 7475420, 14950840, 51954169, 103908338, 207816676, 259770845, 415633352, 519541690, 1039083380, 2078166760]

約数ペア:

[(1, 2078166760), (2, 1039083380), (4, 519541690), (5, 415633352), (8, 259770845), (10, 207816676), (20, 103908338), (40, 51954169), (139, 14950840), (278, 7475420), (556, 3737710), (695, 2990168), (1112, 1868855), (1390, 1495084), (2689, 772840), (2780, 747542), (5378, 386420), (5560, 373771), (10756, 193210), (13445, 154568), (19321, 107560), (21512, 96605), (26890, 77284), (38642, 53780)]