1330587647980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1\times {\mathrm{326539}}^1$

素因数の和:329206

約数の個数: 48

約数和(自身を含む): 2830709952000

約数和(自身を除く): 1500122304020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2579, 5158, 10316, 12895, 25790, 51580, 203741, 326539, 407482, 653078, 814964, 1018705, 1306156, 1632695, 2037410, 3265390, 4074820, 6530780, 25796581, 51593162, 103186324, 128982905, 257965810, 515931620, 842144081, 1684288162, 3368576324, 4210720405, 8421440810, 16842881620, 66529382399, 133058764798, 266117529596, 332646911995, 665293823990, 1330587647980]

約数ペア:

[(1, 1330587647980), (2, 665293823990), (4, 332646911995), (5, 266117529596), (10, 133058764798), (20, 66529382399), (79, 16842881620), (158, 8421440810), (316, 4210720405), (395, 3368576324), (790, 1684288162), (1580, 842144081), (2579, 515931620), (5158, 257965810), (10316, 128982905), (12895, 103186324), (25790, 51593162), (51580, 25796581), (203741, 6530780), (326539, 4074820), (407482, 3265390), (653078, 2037410), (814964, 1632695), (1018705, 1306156)]