89617720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 209070720

約数和(自身を除く): 119453000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 584, 653, 730, 940, 1306, 1460, 1880, 2612, 2920, 3265, 3431, 5224, 6530, 6862, 13060, 13724, 17155, 26120, 27448, 30691, 34310, 47669, 61382, 68620, 95338, 122764, 137240, 153455, 190676, 238345, 245528, 306910, 381352, 476690, 613820, 953380, 1227640, 1906760, 2240443, 4480886, 8961772, 11202215, 17923544, 22404430, 44808860, 89617720]

約数ペア:

[(1, 89617720), (2, 44808860), (4, 22404430), (5, 17923544), (8, 11202215), (10, 8961772), (20, 4480886), (40, 2240443), (47, 1906760), (73, 1227640), (94, 953380), (146, 613820), (188, 476690), (235, 381352), (292, 306910), (365, 245528), (376, 238345), (470, 190676), (584, 153455), (653, 137240), (730, 122764), (940, 95338), (1306, 68620), (1460, 61382), (1880, 47669), (2612, 34310), (2920, 30691), (3265, 27448), (3431, 26120), (5224, 17155), (6530, 13724), (6862, 13060)]