81121450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5023}}^1$

素因数の和:5071

約数の個数: 48

約数和(自身を含む): 168203520

約数和(自身を除く): 87082070

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 950, 1615, 3230, 5023, 8075, 10046, 16150, 25115, 50230, 85391, 95437, 125575, 170782, 190874, 251150, 426955, 477185, 853910, 954370, 1622429, 2134775, 2385925, 3244858, 4269550, 4771850, 8112145, 16224290, 40560725, 81121450]

約数ペア:

[(1, 81121450), (2, 40560725), (5, 16224290), (10, 8112145), (17, 4771850), (19, 4269550), (25, 3244858), (34, 2385925), (38, 2134775), (50, 1622429), (85, 954370), (95, 853910), (170, 477185), (190, 426955), (323, 251150), (425, 190874), (475, 170782), (646, 125575), (850, 95437), (950, 85391), (1615, 50230), (3230, 25115), (5023, 16150), (8075, 10046)]