71801080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138079}}^1$

素因数の和:138103

約数の個数: 32

約数和(自身を含む): 173980800

約数和(自身を除く): 102179720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138079, 276158, 552316, 690395, 1104632, 1380790, 1795027, 2761580, 3590054, 5523160, 7180108, 8975135, 14360216, 17950270, 35900540, 71801080]

約数ペア:

[(1, 71801080), (2, 35900540), (4, 17950270), (5, 14360216), (8, 8975135), (10, 7180108), (13, 5523160), (20, 3590054), (26, 2761580), (40, 1795027), (52, 1380790), (65, 1104632), (104, 690395), (130, 552316), (260, 276158), (520, 138079)]