26171920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 60

約数和(自身を含む): 63182340

約数和(自身を除く): 37010420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 389, 464, 580, 778, 841, 1160, 1556, 1682, 1945, 2320, 3112, 3364, 3890, 4205, 6224, 6728, 7780, 8410, 11281, 13456, 15560, 16820, 22562, 31120, 33640, 45124, 56405, 67280, 90248, 112810, 180496, 225620, 327149, 451240, 654298, 902480, 1308596, 1635745, 2617192, 3271490, 5234384, 6542980, 13085960, 26171920]

約数ペア:

[(1, 26171920), (2, 13085960), (4, 6542980), (5, 5234384), (8, 3271490), (10, 2617192), (16, 1635745), (20, 1308596), (29, 902480), (40, 654298), (58, 451240), (80, 327149), (116, 225620), (145, 180496), (232, 112810), (290, 90248), (389, 67280), (464, 56405), (580, 45124), (778, 33640), (841, 31120), (1160, 22562), (1556, 16820), (1682, 15560), (1945, 13456), (2320, 11281), (3112, 8410), (3364, 7780), (3890, 6728), (4205, 6224)]