98811560

素因数分解:

$2^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1997}}^1$

素因数の和:3245

約数の個数: 32

約数和(自身を含む): 222617160

約数和(自身を除く): 123805600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1237, 1997, 2474, 3994, 4948, 6185, 7988, 9896, 9985, 12370, 15976, 19970, 24740, 39940, 49480, 79880, 2470289, 4940578, 9881156, 12351445, 19762312, 24702890, 49405780, 98811560]

約数ペア:

[(1, 98811560), (2, 49405780), (4, 24702890), (5, 19762312), (8, 12351445), (10, 9881156), (20, 4940578), (40, 2470289), (1237, 79880), (1997, 49480), (2474, 39940), (3994, 24740), (4948, 19970), (6185, 15976), (7988, 12370), (9896, 9985)]