1004049680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{660559}}^1$

素因数の和:660591

約数の個数: 40

約数和(自身を含む): 2457283200

約数和(自身を除く): 1453233520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 660559, 1321118, 2642236, 3302795, 5284472, 6605590, 10568944, 12550621, 13211180, 25101242, 26422360, 50202484, 52844720, 62753105, 100404968, 125506210, 200809936, 251012420, 502024840, 1004049680]

約数ペア:

[(1, 1004049680), (2, 502024840), (4, 251012420), (5, 200809936), (8, 125506210), (10, 100404968), (16, 62753105), (19, 52844720), (20, 50202484), (38, 26422360), (40, 25101242), (76, 13211180), (80, 12550621), (95, 10568944), (152, 6605590), (190, 5284472), (304, 3302795), (380, 2642236), (760, 1321118), (1520, 660559)]