2501620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 5842368

約数和(自身を除く): 3340748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 137, 166, 220, 274, 332, 415, 548, 685, 830, 913, 1370, 1507, 1660, 1826, 2740, 3014, 3652, 4565, 6028, 7535, 9130, 11371, 15070, 18260, 22742, 30140, 45484, 56855, 113710, 125081, 227420, 250162, 500324, 625405, 1250810, 2501620]

約数ペア:

[(1, 2501620), (2, 1250810), (4, 625405), (5, 500324), (10, 250162), (11, 227420), (20, 125081), (22, 113710), (44, 56855), (55, 45484), (83, 30140), (110, 22742), (137, 18260), (166, 15070), (220, 11371), (274, 9130), (332, 7535), (415, 6028), (548, 4565), (685, 3652), (830, 3014), (913, 2740), (1370, 1826), (1507, 1660)]