40290560

素因数分解:

$2^8\times 5^1\times {\mathrm{31477}}^1$

素因数の和:31498

約数の個数: 36

約数和(自身を含む): 96511548

約数和(自身を除く): 56220988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31477, 62954, 125908, 157385, 251816, 314770, 503632, 629540, 1007264, 1259080, 2014528, 2518160, 4029056, 5036320, 8058112, 10072640, 20145280, 40290560]

約数ペア:

[(1, 40290560), (2, 20145280), (4, 10072640), (5, 8058112), (8, 5036320), (10, 4029056), (16, 2518160), (20, 2014528), (32, 1259080), (40, 1007264), (64, 629540), (80, 503632), (128, 314770), (160, 251816), (256, 157385), (320, 125908), (640, 62954), (1280, 31477)]