40472380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155663}}^1$

素因数の和:155685

約数の個数: 24

約数和(自身を含む): 91530432

約数和(自身を除く): 51058052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155663, 311326, 622652, 778315, 1556630, 2023619, 3113260, 4047238, 8094476, 10118095, 20236190, 40472380]

約数ペア:

[(1, 40472380), (2, 20236190), (4, 10118095), (5, 8094476), (10, 4047238), (13, 3113260), (20, 2023619), (26, 1556630), (52, 778315), (65, 622652), (130, 311326), (260, 155663)]