8101940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5261}}^1$

素因数の和:5288

約数の個数: 48

約数和(自身を含む): 21216384

約数和(自身を除く): 13114444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5261, 10522, 21044, 26305, 36827, 52610, 57871, 73654, 105220, 115742, 147308, 184135, 231484, 289355, 368270, 405097, 578710, 736540, 810194, 1157420, 1620388, 2025485, 4050970, 8101940]

約数ペア:

[(1, 8101940), (2, 4050970), (4, 2025485), (5, 1620388), (7, 1157420), (10, 810194), (11, 736540), (14, 578710), (20, 405097), (22, 368270), (28, 289355), (35, 231484), (44, 184135), (55, 147308), (70, 115742), (77, 105220), (110, 73654), (140, 57871), (154, 52610), (220, 36827), (308, 26305), (385, 21044), (770, 10522), (1540, 5261)]