2016909500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{51061}}^1$

素因数の和:51159

約数の個数: 48

約数和(自身を含む): 4460776320

約数和(自身を除く): 2443866820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 3950, 7900, 9875, 19750, 39500, 51061, 102122, 204244, 255305, 510610, 1021220, 1276525, 2553050, 4033819, 5106100, 6382625, 8067638, 12765250, 16135276, 20169095, 25530500, 40338190, 80676380, 100845475, 201690950, 403381900, 504227375, 1008454750, 2016909500]

約数ペア:

[(1, 2016909500), (2, 1008454750), (4, 504227375), (5, 403381900), (10, 201690950), (20, 100845475), (25, 80676380), (50, 40338190), (79, 25530500), (100, 20169095), (125, 16135276), (158, 12765250), (250, 8067638), (316, 6382625), (395, 5106100), (500, 4033819), (790, 2553050), (1580, 1276525), (1975, 1021220), (3950, 510610), (7900, 255305), (9875, 204244), (19750, 102122), (39500, 51061)]