65659420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30119}}^1$

素因数の和:30237

約数の個数: 24

約数和(自身を含む): 139154400

約数和(自身を除く): 73494980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30119, 60238, 120476, 150595, 301190, 602380, 3282971, 6565942, 13131884, 16414855, 32829710, 65659420]

約数ペア:

[(1, 65659420), (2, 32829710), (4, 16414855), (5, 13131884), (10, 6565942), (20, 3282971), (109, 602380), (218, 301190), (436, 150595), (545, 120476), (1090, 60238), (2180, 30119)]