13530640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9949}}^1$

素因数の和:9979

約数の個数: 40

約数和(自身を含む): 33312600

約数和(自身を除く): 19781960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9949, 19898, 39796, 49745, 79592, 99490, 159184, 169133, 198980, 338266, 397960, 676532, 795920, 845665, 1353064, 1691330, 2706128, 3382660, 6765320, 13530640]

約数ペア:

[(1, 13530640), (2, 6765320), (4, 3382660), (5, 2706128), (8, 1691330), (10, 1353064), (16, 845665), (17, 795920), (20, 676532), (34, 397960), (40, 338266), (68, 198980), (80, 169133), (85, 159184), (136, 99490), (170, 79592), (272, 49745), (340, 39796), (680, 19898), (1360, 9949)]