38947960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20717}}^1$

素因数の和:20775

約数の個数: 32

約数和(自身を含む): 89501760

約数和(自身を除く): 50553800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 20717, 41434, 82868, 103585, 165736, 207170, 414340, 828680, 973699, 1947398, 3894796, 4868495, 7789592, 9736990, 19473980, 38947960]

約数ペア:

[(1, 38947960), (2, 19473980), (4, 9736990), (5, 7789592), (8, 4868495), (10, 3894796), (20, 1947398), (40, 973699), (47, 828680), (94, 414340), (188, 207170), (235, 165736), (376, 103585), (470, 82868), (940, 41434), (1880, 20717)]