5439940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 12660480

約数和(自身を除く): 7220540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 313, 316, 395, 626, 790, 869, 1252, 1565, 1580, 1738, 3130, 3443, 3476, 4345, 6260, 6886, 8690, 13772, 17215, 17380, 24727, 34430, 49454, 68860, 98908, 123635, 247270, 271997, 494540, 543994, 1087988, 1359985, 2719970, 5439940]

約数ペア:

[(1, 5439940), (2, 2719970), (4, 1359985), (5, 1087988), (10, 543994), (11, 494540), (20, 271997), (22, 247270), (44, 123635), (55, 98908), (79, 68860), (110, 49454), (158, 34430), (220, 24727), (313, 17380), (316, 17215), (395, 13772), (626, 8690), (790, 6886), (869, 6260), (1252, 4345), (1565, 3476), (1580, 3443), (1738, 3130)]