40880380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28789}}^1$

素因数の和:28869

約数の個数: 24

約数和(自身を含む): 87060960

約数和(自身を除く): 46180580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28789, 57578, 115156, 143945, 287890, 575780, 2044019, 4088038, 8176076, 10220095, 20440190, 40880380]

約数ペア:

[(1, 40880380), (2, 20440190), (4, 10220095), (5, 8176076), (10, 4088038), (20, 2044019), (71, 575780), (142, 287890), (284, 143945), (355, 115156), (710, 57578), (1420, 28789)]