40744540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65717}}^1$

素因数の和:65757

約数の個数: 24

約数和(自身を含む): 88324992

約数和(自身を除く): 47580452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 65717, 131434, 262868, 328585, 657170, 1314340, 2037227, 4074454, 8148908, 10186135, 20372270, 40744540]

約数ペア:

[(1, 40744540), (2, 20372270), (4, 10186135), (5, 8148908), (10, 4074454), (20, 2037227), (31, 1314340), (62, 657170), (124, 328585), (155, 262868), (310, 131434), (620, 65717)]