89977880

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{14897}}^1$

素因数の和:15059

約数の個数: 32

約数和(自身を含む): 203804640

約数和(自身を除く): 113826760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 14897, 29794, 59588, 74485, 119176, 148970, 297940, 595880, 2249447, 4498894, 8997788, 11247235, 17995576, 22494470, 44988940, 89977880]

約数ペア:

[(1, 89977880), (2, 44988940), (4, 22494470), (5, 17995576), (8, 11247235), (10, 8997788), (20, 4498894), (40, 2249447), (151, 595880), (302, 297940), (604, 148970), (755, 119176), (1208, 74485), (1510, 59588), (3020, 29794), (6040, 14897)]