40891885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 54937440

約数和(自身を除く): 14045555

約数列:

[1, 5, 17, 29, 53, 85, 145, 265, 313, 493, 901, 1537, 1565, 2465, 4505, 5321, 7685, 9077, 16589, 26129, 26605, 45385, 82945, 130645, 154309, 282013, 481081, 771545, 1410065, 2405405, 8178377, 40891885]

約数ペア:

[(1, 40891885), (5, 8178377), (17, 2405405), (29, 1410065), (53, 771545), (85, 481081), (145, 282013), (265, 154309), (313, 130645), (493, 82945), (901, 45385), (1537, 26605), (1565, 26129), (2465, 16589), (4505, 9077), (5321, 7685)]