40345420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 90629280

約数和(自身を除く): 50283860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1109, 1819, 2140, 2218, 3638, 4436, 5545, 7276, 9095, 11090, 18190, 18853, 22180, 36380, 37706, 75412, 94265, 118663, 188530, 237326, 377060, 474652, 593315, 1186630, 2017271, 2373260, 4034542, 8069084, 10086355, 20172710, 40345420]

約数ペア:

[(1, 40345420), (2, 20172710), (4, 10086355), (5, 8069084), (10, 4034542), (17, 2373260), (20, 2017271), (34, 1186630), (68, 593315), (85, 474652), (107, 377060), (170, 237326), (214, 188530), (340, 118663), (428, 94265), (535, 75412), (1070, 37706), (1109, 36380), (1819, 22180), (2140, 18853), (2218, 18190), (3638, 11090), (4436, 9095), (5545, 7276)]