12621380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 28062720

約数和(自身を除く): 15441340

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 463, 470, 580, 926, 940, 1363, 1852, 2315, 2726, 4630, 5452, 6815, 9260, 13427, 13630, 21761, 26854, 27260, 43522, 53708, 67135, 87044, 108805, 134270, 217610, 268540, 435220, 631069, 1262138, 2524276, 3155345, 6310690, 12621380]

約数ペア:

[(1, 12621380), (2, 6310690), (4, 3155345), (5, 2524276), (10, 1262138), (20, 631069), (29, 435220), (47, 268540), (58, 217610), (94, 134270), (116, 108805), (145, 87044), (188, 67135), (235, 53708), (290, 43522), (463, 27260), (470, 26854), (580, 21761), (926, 13630), (940, 13427), (1363, 9260), (1852, 6815), (2315, 5452), (2726, 4630)]