2221960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4273}}^1$

素因数の和:4297

約数の個数: 32

約数和(自身を含む): 5385240

約数和(自身を除く): 3163280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4273, 8546, 17092, 21365, 34184, 42730, 55549, 85460, 111098, 170920, 222196, 277745, 444392, 555490, 1110980, 2221960]

約数ペア:

[(1, 2221960), (2, 1110980), (4, 555490), (5, 444392), (8, 277745), (10, 222196), (13, 170920), (20, 111098), (26, 85460), (40, 55549), (52, 42730), (65, 34184), (104, 21365), (130, 17092), (260, 8546), (520, 4273)]