1254520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 2865600

約数和(自身を除く): 1611080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 397, 632, 790, 794, 1580, 1588, 1985, 3160, 3176, 3970, 7940, 15880, 31363, 62726, 125452, 156815, 250904, 313630, 627260, 1254520]

約数ペア:

[(1, 1254520), (2, 627260), (4, 313630), (5, 250904), (8, 156815), (10, 125452), (20, 62726), (40, 31363), (79, 15880), (158, 7940), (316, 3970), (395, 3176), (397, 3160), (632, 1985), (790, 1588), (794, 1580)]