55290520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17497}}^1$

素因数の和:17587

約数の個数: 32

約数和(自身を含む): 125985600

約数和(自身を除く): 70695080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17497, 34994, 69988, 87485, 139976, 174970, 349940, 699880, 1382263, 2764526, 5529052, 6911315, 11058104, 13822630, 27645260, 55290520]

約数ペア:

[(1, 55290520), (2, 27645260), (4, 13822630), (5, 11058104), (8, 6911315), (10, 5529052), (20, 2764526), (40, 1382263), (79, 699880), (158, 349940), (316, 174970), (395, 139976), (632, 87485), (790, 69988), (1580, 34994), (3160, 17497)]