4394000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^3$

素因数の和:62

約数の個数: 80

約数和(自身を含む): 11509680

約数和(自身を除く): 7115680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 169, 200, 208, 250, 260, 325, 338, 400, 500, 520, 650, 676, 845, 1000, 1040, 1300, 1352, 1625, 1690, 2000, 2197, 2600, 2704, 3250, 3380, 4225, 4394, 5200, 6500, 6760, 8450, 8788, 10985, 13000, 13520, 16900, 17576, 21125, 21970, 26000, 33800, 35152, 42250, 43940, 54925, 67600, 84500, 87880, 109850, 169000, 175760, 219700, 274625, 338000, 439400, 549250, 878800, 1098500, 2197000, 4394000]

約数ペア:

[(1, 4394000), (2, 2197000), (4, 1098500), (5, 878800), (8, 549250), (10, 439400), (13, 338000), (16, 274625), (20, 219700), (25, 175760), (26, 169000), (40, 109850), (50, 87880), (52, 84500), (65, 67600), (80, 54925), (100, 43940), (104, 42250), (125, 35152), (130, 33800), (169, 26000), (200, 21970), (208, 21125), (250, 17576), (260, 16900), (325, 13520), (338, 13000), (400, 10985), (500, 8788), (520, 8450), (650, 6760), (676, 6500), (845, 5200), (1000, 4394), (1040, 4225), (1300, 3380), (1352, 3250), (1625, 2704), (1690, 2600), (2000, 2197)]