8251720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3079}}^1$

素因数の和:3157

約数の個数: 32

約数和(自身を含む): 18849600

約数和(自身を除く): 10597880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3079, 6158, 12316, 15395, 24632, 30790, 61580, 123160, 206293, 412586, 825172, 1031465, 1650344, 2062930, 4125860, 8251720]

約数ペア:

[(1, 8251720), (2, 4125860), (4, 2062930), (5, 1650344), (8, 1031465), (10, 825172), (20, 412586), (40, 206293), (67, 123160), (134, 61580), (268, 30790), (335, 24632), (536, 15395), (670, 12316), (1340, 6158), (2680, 3079)]