80255500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12347}}^1$

素因数の和:12379

約数の個数: 48

約数和(自身を含む): 188776224

約数和(自身を除く): 108520724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12347, 24694, 49388, 61735, 123470, 160511, 246940, 308675, 321022, 617350, 642044, 802555, 1234700, 1543375, 1605110, 3086750, 3210220, 4012775, 6173500, 8025550, 16051100, 20063875, 40127750, 80255500]

約数ペア:

[(1, 80255500), (2, 40127750), (4, 20063875), (5, 16051100), (10, 8025550), (13, 6173500), (20, 4012775), (25, 3210220), (26, 3086750), (50, 1605110), (52, 1543375), (65, 1234700), (100, 802555), (125, 642044), (130, 617350), (250, 321022), (260, 308675), (325, 246940), (500, 160511), (650, 123470), (1300, 61735), (1625, 49388), (3250, 24694), (6500, 12347)]