245160880

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{16931}}^1$

素因数の和:17125

約数の個数: 40

約数和(自身を含む): 573182064

約数和(自身を除く): 328021184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 16931, 33862, 67724, 84655, 135448, 169310, 270896, 338620, 677240, 1354480, 3064511, 6129022, 12258044, 15322555, 24516088, 30645110, 49032176, 61290220, 122580440, 245160880]

約数ペア:

[(1, 245160880), (2, 122580440), (4, 61290220), (5, 49032176), (8, 30645110), (10, 24516088), (16, 15322555), (20, 12258044), (40, 6129022), (80, 3064511), (181, 1354480), (362, 677240), (724, 338620), (905, 270896), (1448, 169310), (1810, 135448), (2896, 84655), (3620, 67724), (7240, 33862), (14480, 16931)]