130488440

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4721}}^1$

素因数の和:5423

約数の個数: 32

約数和(自身を含む): 294086160

約数和(自身を除く): 163597720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 4721, 5528, 6910, 9442, 13820, 18884, 23605, 27640, 37768, 47210, 94420, 188840, 3262211, 6524422, 13048844, 16311055, 26097688, 32622110, 65244220, 130488440]

約数ペア:

[(1, 130488440), (2, 65244220), (4, 32622110), (5, 26097688), (8, 16311055), (10, 13048844), (20, 6524422), (40, 3262211), (691, 188840), (1382, 94420), (2764, 47210), (3455, 37768), (4721, 27640), (5528, 23605), (6910, 18884), (9442, 13820)]