13487720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17747}}^1$

素因数の和:17777

約数の個数: 32

約数和(自身を含む): 31946400

約数和(自身を除く): 18458680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17747, 35494, 70988, 88735, 141976, 177470, 337193, 354940, 674386, 709880, 1348772, 1685965, 2697544, 3371930, 6743860, 13487720]

約数ペア:

[(1, 13487720), (2, 6743860), (4, 3371930), (5, 2697544), (8, 1685965), (10, 1348772), (19, 709880), (20, 674386), (38, 354940), (40, 337193), (76, 177470), (95, 141976), (152, 88735), (190, 70988), (380, 35494), (760, 17747)]