2155400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 5403300

約数和(自身を除く): 3247900

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 829, 1300, 1658, 2600, 3316, 4145, 6632, 8290, 10777, 16580, 20725, 21554, 33160, 41450, 43108, 53885, 82900, 86216, 107770, 165800, 215540, 269425, 431080, 538850, 1077700, 2155400]

約数ペア:

[(1, 2155400), (2, 1077700), (4, 538850), (5, 431080), (8, 269425), (10, 215540), (13, 165800), (20, 107770), (25, 86216), (26, 82900), (40, 53885), (50, 43108), (52, 41450), (65, 33160), (100, 21554), (104, 20725), (130, 16580), (200, 10777), (260, 8290), (325, 6632), (520, 4145), (650, 3316), (829, 2600), (1300, 1658)]