40450180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15439}}^1$

素因数の和:15579

約数の個数: 24

約数和(自身を含む): 85599360

約数和(自身を除く): 45149180

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 15439, 30878, 61756, 77195, 154390, 308780, 2022509, 4045018, 8090036, 10112545, 20225090, 40450180]

約数ペア:

[(1, 40450180), (2, 20225090), (4, 10112545), (5, 8090036), (10, 4045018), (20, 2022509), (131, 308780), (262, 154390), (524, 77195), (655, 61756), (1310, 30878), (2620, 15439)]