13313680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 60

約数和(自身を含む): 32740092

約数和(自身を除く): 19426412

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 461, 722, 760, 922, 1444, 1520, 1805, 1844, 2305, 2888, 3610, 3688, 4610, 5776, 7220, 7376, 8759, 9220, 14440, 17518, 18440, 28880, 35036, 36880, 43795, 70072, 87590, 140144, 166421, 175180, 332842, 350360, 665684, 700720, 832105, 1331368, 1664210, 2662736, 3328420, 6656840, 13313680]

約数ペア:

[(1, 13313680), (2, 6656840), (4, 3328420), (5, 2662736), (8, 1664210), (10, 1331368), (16, 832105), (19, 700720), (20, 665684), (38, 350360), (40, 332842), (76, 175180), (80, 166421), (95, 140144), (152, 87590), (190, 70072), (304, 43795), (361, 36880), (380, 35036), (461, 28880), (722, 18440), (760, 17518), (922, 14440), (1444, 9220), (1520, 8759), (1805, 7376), (1844, 7220), (2305, 5776), (2888, 4610), (3610, 3688)]