13307720

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{751}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 30049920

約数和(自身を除く): 16742200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 751, 886, 1502, 1772, 2215, 3004, 3544, 3755, 4430, 6008, 7510, 8860, 15020, 17720, 30040, 332693, 665386, 1330772, 1663465, 2661544, 3326930, 6653860, 13307720]

約数ペア:

[(1, 13307720), (2, 6653860), (4, 3326930), (5, 2661544), (8, 1663465), (10, 1330772), (20, 665386), (40, 332693), (443, 30040), (751, 17720), (886, 15020), (1502, 8860), (1772, 7510), (2215, 6008), (3004, 4430), (3544, 3755)]