80395460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2549}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 179928000

約数和(自身を除く): 99532540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 2549, 3154, 5098, 6308, 7885, 10196, 12745, 15770, 25490, 31540, 48431, 50980, 96862, 193724, 211567, 242155, 423134, 484310, 846268, 968620, 1057835, 2115670, 4019773, 4231340, 8039546, 16079092, 20098865, 40197730, 80395460]

約数ペア:

[(1, 80395460), (2, 40197730), (4, 20098865), (5, 16079092), (10, 8039546), (19, 4231340), (20, 4019773), (38, 2115670), (76, 1057835), (83, 968620), (95, 846268), (166, 484310), (190, 423134), (332, 242155), (380, 211567), (415, 193724), (830, 96862), (1577, 50980), (1660, 48431), (2549, 31540), (3154, 25490), (5098, 15770), (6308, 12745), (7885, 10196)]