12257680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9013}}^1$

素因数の和:9043

約数の個数: 40

約数和(自身を含む): 30178872

約数和(自身を除く): 17921192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9013, 18026, 36052, 45065, 72104, 90130, 144208, 153221, 180260, 306442, 360520, 612884, 721040, 766105, 1225768, 1532210, 2451536, 3064420, 6128840, 12257680]

約数ペア:

[(1, 12257680), (2, 6128840), (4, 3064420), (5, 2451536), (8, 1532210), (10, 1225768), (16, 766105), (17, 721040), (20, 612884), (34, 360520), (40, 306442), (68, 180260), (80, 153221), (85, 144208), (136, 90130), (170, 72104), (272, 45065), (340, 36052), (680, 18026), (1360, 9013)]