78089560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 182217600

約数和(自身を除く): 104128040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 569, 584, 730, 940, 1138, 1460, 1880, 2276, 2845, 2920, 3431, 4552, 5690, 6862, 11380, 13724, 17155, 22760, 26743, 27448, 34310, 41537, 53486, 68620, 83074, 106972, 133715, 137240, 166148, 207685, 213944, 267430, 332296, 415370, 534860, 830740, 1069720, 1661480, 1952239, 3904478, 7808956, 9761195, 15617912, 19522390, 39044780, 78089560]

約数ペア:

[(1, 78089560), (2, 39044780), (4, 19522390), (5, 15617912), (8, 9761195), (10, 7808956), (20, 3904478), (40, 1952239), (47, 1661480), (73, 1069720), (94, 830740), (146, 534860), (188, 415370), (235, 332296), (292, 267430), (365, 213944), (376, 207685), (470, 166148), (569, 137240), (584, 133715), (730, 106972), (940, 83074), (1138, 68620), (1460, 53486), (1880, 41537), (2276, 34310), (2845, 27448), (2920, 26743), (3431, 22760), (4552, 17155), (5690, 13724), (6862, 11380)]