40645010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 85999320

約数和(自身を除く): 45354310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 761, 763, 1090, 1522, 1526, 3805, 3815, 5327, 5341, 7610, 7630, 10654, 10682, 26635, 26705, 37289, 53270, 53410, 74578, 82949, 165898, 186445, 372890, 414745, 580643, 829490, 1161286, 2903215, 4064501, 5806430, 8129002, 20322505, 40645010]

約数ペア:

[(1, 40645010), (2, 20322505), (5, 8129002), (7, 5806430), (10, 4064501), (14, 2903215), (35, 1161286), (49, 829490), (70, 580643), (98, 414745), (109, 372890), (218, 186445), (245, 165898), (490, 82949), (545, 74578), (761, 53410), (763, 53270), (1090, 37289), (1522, 26705), (1526, 26635), (3805, 10682), (3815, 10654), (5327, 7630), (5341, 7610)]