172368520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{54547}}^1$

素因数の和:54637

約数の個数: 32

約数和(自身を含む): 392745600

約数和(自身を除く): 220377080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 54547, 109094, 218188, 272735, 436376, 545470, 1090940, 2181880, 4309213, 8618426, 17236852, 21546065, 34473704, 43092130, 86184260, 172368520]

約数ペア:

[(1, 172368520), (2, 86184260), (4, 43092130), (5, 34473704), (8, 21546065), (10, 17236852), (20, 8618426), (40, 4309213), (79, 2181880), (158, 1090940), (316, 545470), (395, 436376), (632, 272735), (790, 218188), (1580, 109094), (3160, 54547)]