25528860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20261}}^1$

素因数の和:20283

約数の個数: 72

約数和(自身を含む): 88504416

約数和(自身を除く): 62975556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20261, 40522, 60783, 81044, 101305, 121566, 141827, 182349, 202610, 243132, 283654, 303915, 364698, 405220, 425481, 567308, 607830, 709135, 729396, 850962, 911745, 1215660, 1276443, 1418270, 1701924, 1823490, 2127405, 2552886, 2836540, 3646980, 4254810, 5105772, 6382215, 8509620, 12764430, 25528860]

約数ペア:

[(1, 25528860), (2, 12764430), (3, 8509620), (4, 6382215), (5, 5105772), (6, 4254810), (7, 3646980), (9, 2836540), (10, 2552886), (12, 2127405), (14, 1823490), (15, 1701924), (18, 1418270), (20, 1276443), (21, 1215660), (28, 911745), (30, 850962), (35, 729396), (36, 709135), (42, 607830), (45, 567308), (60, 425481), (63, 405220), (70, 364698), (84, 303915), (90, 283654), (105, 243132), (126, 202610), (140, 182349), (180, 141827), (210, 121566), (252, 101305), (315, 81044), (420, 60783), (630, 40522), (1260, 20261)]