13139080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7639}}^1$

素因数の和:7693

約数の個数: 32

約数和(自身を含む): 30254400

約数和(自身を除く): 17115320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7639, 15278, 30556, 38195, 61112, 76390, 152780, 305560, 328477, 656954, 1313908, 1642385, 2627816, 3284770, 6569540, 13139080]

約数ペア:

[(1, 13139080), (2, 6569540), (4, 3284770), (5, 2627816), (8, 1642385), (10, 1313908), (20, 656954), (40, 328477), (43, 305560), (86, 152780), (172, 76390), (215, 61112), (344, 38195), (430, 30556), (860, 15278), (1720, 7639)]