1621007560

素因数分解:

$2^3\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{25031}}^1$

素因数の和:26661

約数の個数: 32

約数和(自身を含む): 3649665600

約数和(自身を除く): 2028658040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619, 3238, 6476, 8095, 12952, 16190, 25031, 32380, 50062, 64760, 100124, 125155, 200248, 250310, 500620, 1001240, 40525189, 81050378, 162100756, 202625945, 324201512, 405251890, 810503780, 1621007560]

約数ペア:

[(1, 1621007560), (2, 810503780), (4, 405251890), (5, 324201512), (8, 202625945), (10, 162100756), (20, 81050378), (40, 40525189), (1619, 1001240), (3238, 500620), (6476, 250310), (8095, 200248), (12952, 125155), (16190, 100124), (25031, 64760), (32380, 50062)]