43940000

素因数分解:

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

素因数の和:69

約数の個数: 120

約数和(自身を含む): 117103140

約数和(自身を除く): 73163140

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 169, 200, 208, 250, 260, 325, 338, 400, 416, 500, 520, 625, 650, 676, 800, 845, 1000, 1040, 1250, 1300, 1352, 1625, 1690, 2000, 2080, 2197, 2500, 2600, 2704, 3250, 3380, 4000, 4225, 4394, 5000, 5200, 5408, 6500, 6760, 8125, 8450, 8788, 10000, 10400, 10985, 13000, 13520, 16250, 16900, 17576, 20000, 21125, 21970, 26000, 27040, 32500, 33800, 35152, 42250, 43940, 52000, 54925, 65000, 67600, 70304, 84500, 87880, 105625, 109850, 130000, 135200, 169000, 175760, 211250, 219700, 260000, 274625, 338000, 351520, 422500, 439400, 549250, 676000, 845000, 878800, 1098500, 1373125, 1690000, 1757600, 2197000, 2746250, 3380000, 4394000, 5492500, 8788000, 10985000, 21970000, 43940000]

約数ペア:

[(1, 43940000), (2, 21970000), (4, 10985000), (5, 8788000), (8, 5492500), (10, 4394000), (13, 3380000), (16, 2746250), (20, 2197000), (25, 1757600), (26, 1690000), (32, 1373125), (40, 1098500), (50, 878800), (52, 845000), (65, 676000), (80, 549250), (100, 439400), (104, 422500), (125, 351520), (130, 338000), (160, 274625), (169, 260000), (200, 219700), (208, 211250), (250, 175760), (260, 169000), (325, 135200), (338, 130000), (400, 109850), (416, 105625), (500, 87880), (520, 84500), (625, 70304), (650, 67600), (676, 65000), (800, 54925), (845, 52000), (1000, 43940), (1040, 42250), (1250, 35152), (1300, 33800), (1352, 32500), (1625, 27040), (1690, 26000), (2000, 21970), (2080, 21125), (2197, 20000), (2500, 17576), (2600, 16900), (2704, 16250), (3250, 13520), (3380, 13000), (4000, 10985), (4225, 10400), (4394, 10000), (5000, 8788), (5200, 8450), (5408, 8125), (6500, 6760)]