40637140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1$

素因数の和:2616

約数の個数: 48

約数和(自身を含む): 92316672

約数和(自身を除く): 51679532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 2543, 3196, 3995, 5086, 7990, 10172, 12715, 15980, 25430, 43231, 50860, 86462, 119521, 172924, 216155, 239042, 432310, 478084, 597605, 864620, 1195210, 2031857, 2390420, 4063714, 8127428, 10159285, 20318570, 40637140]

約数ペア:

[(1, 40637140), (2, 20318570), (4, 10159285), (5, 8127428), (10, 4063714), (17, 2390420), (20, 2031857), (34, 1195210), (47, 864620), (68, 597605), (85, 478084), (94, 432310), (170, 239042), (188, 216155), (235, 172924), (340, 119521), (470, 86462), (799, 50860), (940, 43231), (1598, 25430), (2543, 15980), (3196, 12715), (3995, 10172), (5086, 7990)]