25717860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20411}}^1$

素因数の和:20433

約数の個数: 72

約数和(自身を含む): 89159616

約数和(自身を除く): 63441756

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, 20411, 40822, 61233, 81644, 102055, 122466, 142877, 183699, 204110, 244932, 285754, 306165, 367398, 408220, 428631, 571508, 612330, 714385, 734796, 857262, 918495, 1224660, 1285893, 1428770, 1714524, 1836990, 2143155, 2571786, 2857540, 3673980, 4286310, 5143572, 6429465, 8572620, 12858930, 25717860]

約数ペア:

[(1, 25717860), (2, 12858930), (3, 8572620), (4, 6429465), (5, 5143572), (6, 4286310), (7, 3673980), (9, 2857540), (10, 2571786), (12, 2143155), (14, 1836990), (15, 1714524), (18, 1428770), (20, 1285893), (21, 1224660), (28, 918495), (30, 857262), (35, 734796), (36, 714385), (42, 612330), (45, 571508), (60, 428631), (63, 408220), (70, 367398), (84, 306165), (90, 285754), (105, 244932), (126, 204110), (140, 183699), (180, 142877), (210, 122466), (252, 102055), (315, 81644), (420, 61233), (630, 40822), (1260, 20411)]