163620280

素因数分解:

$2^3\times 5^1\times {\mathrm{4090507}}^1$

素因数の和:4090518

約数の個数: 16

約数和(自身を含む): 368145720

約数和(自身を除く): 204525440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4090507, 8181014, 16362028, 20452535, 32724056, 40905070, 81810140, 163620280]

約数ペア:

[(1, 163620280), (2, 81810140), (4, 40905070), (5, 32724056), (8, 20452535), (10, 16362028), (20, 8181014), (40, 4090507)]