40306820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65011}}^1$

素因数の和:65051

約数の個数: 24

約数和(自身を含む): 87376128

約数和(自身を除く): 47069308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 65011, 130022, 260044, 325055, 650110, 1300220, 2015341, 4030682, 8061364, 10076705, 20153410, 40306820]

約数ペア:

[(1, 40306820), (2, 20153410), (4, 10076705), (5, 8061364), (10, 4030682), (20, 2015341), (31, 1300220), (62, 650110), (124, 325055), (155, 260044), (310, 130022), (620, 65011)]