4778800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:950

約数の個数: 60

約数和(自身を含む): 12377680

約数和(自身を除く): 7598880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 919, 1040, 1300, 1838, 2600, 3676, 4595, 5200, 7352, 9190, 11947, 14704, 18380, 22975, 23894, 36760, 45950, 47788, 59735, 73520, 91900, 95576, 119470, 183800, 191152, 238940, 298675, 367600, 477880, 597350, 955760, 1194700, 2389400, 4778800]

約数ペア:

[(1, 4778800), (2, 2389400), (4, 1194700), (5, 955760), (8, 597350), (10, 477880), (13, 367600), (16, 298675), (20, 238940), (25, 191152), (26, 183800), (40, 119470), (50, 95576), (52, 91900), (65, 73520), (80, 59735), (100, 47788), (104, 45950), (130, 36760), (200, 23894), (208, 22975), (260, 18380), (325, 14704), (400, 11947), (520, 9190), (650, 7352), (919, 5200), (1040, 4595), (1300, 3676), (1838, 2600)]