201953240

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{12979}}^1$

素因数の和:13379

約数の個数: 32

約数和(自身を含む): 455598000

約数和(自身を除く): 253644760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 12979, 15560, 25958, 51916, 64895, 103832, 129790, 259580, 519160, 5048831, 10097662, 20195324, 25244155, 40390648, 50488310, 100976620, 201953240]

約数ペア:

[(1, 201953240), (2, 100976620), (4, 50488310), (5, 40390648), (8, 25244155), (10, 20195324), (20, 10097662), (40, 5048831), (389, 519160), (778, 259580), (1556, 129790), (1945, 103832), (3112, 64895), (3890, 51916), (7780, 25958), (12979, 15560)]