69486520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8233}}^1$

素因数の和:8455

約数の個数: 32

約数和(自身を含む): 157104720

約数和(自身を除く): 87618200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8233, 8440, 16466, 32932, 41165, 65864, 82330, 164660, 329320, 1737163, 3474326, 6948652, 8685815, 13897304, 17371630, 34743260, 69486520]

約数ペア:

[(1, 69486520), (2, 34743260), (4, 17371630), (5, 13897304), (8, 8685815), (10, 6948652), (20, 3474326), (40, 1737163), (211, 329320), (422, 164660), (844, 82330), (1055, 65864), (1688, 41165), (2110, 32932), (4220, 16466), (8233, 8440)]