8172520

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1181}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 18510120

約数和(自身を除く): 10337600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1181, 1384, 1730, 2362, 3460, 4724, 5905, 6920, 9448, 11810, 23620, 47240, 204313, 408626, 817252, 1021565, 1634504, 2043130, 4086260, 8172520]

約数ペア:

[(1, 8172520), (2, 4086260), (4, 2043130), (5, 1634504), (8, 1021565), (10, 817252), (20, 408626), (40, 204313), (173, 47240), (346, 23620), (692, 11810), (865, 9448), (1181, 6920), (1384, 5905), (1730, 4724), (2362, 3460)]