40995340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 89435808

約数和(自身を除く): 48440468

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 653, 730, 860, 1306, 1460, 2612, 3139, 3265, 6278, 6530, 12556, 13060, 15695, 28079, 31390, 47669, 56158, 62780, 95338, 112316, 140395, 190676, 238345, 280790, 476690, 561580, 953380, 2049767, 4099534, 8199068, 10248835, 20497670, 40995340]

約数ペア:

[(1, 40995340), (2, 20497670), (4, 10248835), (5, 8199068), (10, 4099534), (20, 2049767), (43, 953380), (73, 561580), (86, 476690), (146, 280790), (172, 238345), (215, 190676), (292, 140395), (365, 112316), (430, 95338), (653, 62780), (730, 56158), (860, 47669), (1306, 31390), (1460, 28079), (2612, 15695), (3139, 13060), (3265, 12556), (6278, 6530)]