4487720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 10177920

約数和(自身を除く): 5690200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 743, 755, 1208, 1486, 1510, 2972, 3020, 3715, 5944, 6040, 7430, 14860, 29720, 112193, 224386, 448772, 560965, 897544, 1121930, 2243860, 4487720]

約数ペア:

[(1, 4487720), (2, 2243860), (4, 1121930), (5, 897544), (8, 560965), (10, 448772), (20, 224386), (40, 112193), (151, 29720), (302, 14860), (604, 7430), (743, 6040), (755, 5944), (1208, 3715), (1486, 3020), (1510, 2972)]