7666480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 18128304

約数和(自身を除く): 10461824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1571, 2440, 3142, 4880, 6284, 7855, 12568, 15710, 25136, 31420, 62840, 95831, 125680, 191662, 383324, 479155, 766648, 958310, 1533296, 1916620, 3833240, 7666480]

約数ペア:

[(1, 7666480), (2, 3833240), (4, 1916620), (5, 1533296), (8, 958310), (10, 766648), (16, 479155), (20, 383324), (40, 191662), (61, 125680), (80, 95831), (122, 62840), (244, 31420), (305, 25136), (488, 15710), (610, 12568), (976, 7855), (1220, 6284), (1571, 4880), (2440, 3142)]