40436764

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{991}}^1$

素因数の和:1197

約数の個数: 18

約数和(自身を含む): 71544032

約数和(自身を除く): 31107268

約数列:

[1, 2, 4, 101, 202, 404, 991, 1982, 3964, 10201, 20402, 40804, 100091, 200182, 400364, 10109191, 20218382, 40436764]

約数ペア:

[(1, 40436764), (2, 20218382), (4, 10109191), (101, 400364), (202, 200182), (404, 100091), (991, 40804), (1982, 20402), (3964, 10201)]