100490840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81041}}^1$

素因数の和:81083

約数の個数: 32

約数和(自身を含む): 233400960

約数和(自身を除く): 132910120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 81041, 162082, 324164, 405205, 648328, 810410, 1620820, 2512271, 3241640, 5024542, 10049084, 12561355, 20098168, 25122710, 50245420, 100490840]

約数ペア:

[(1, 100490840), (2, 50245420), (4, 25122710), (5, 20098168), (8, 12561355), (10, 10049084), (20, 5024542), (31, 3241640), (40, 2512271), (62, 1620820), (124, 810410), (155, 648328), (248, 405205), (310, 324164), (620, 162082), (1240, 81041)]