25824540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61487}}^1$

素因数の和:61506

約数の個数: 48

約数和(自身を含む): 82639872

約数和(自身を除く): 56815332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61487, 122974, 184461, 245948, 307435, 368922, 430409, 614870, 737844, 860818, 922305, 1229740, 1291227, 1721636, 1844610, 2152045, 2582454, 3689220, 4304090, 5164908, 6456135, 8608180, 12912270, 25824540]

約数ペア:

[(1, 25824540), (2, 12912270), (3, 8608180), (4, 6456135), (5, 5164908), (6, 4304090), (7, 3689220), (10, 2582454), (12, 2152045), (14, 1844610), (15, 1721636), (20, 1291227), (21, 1229740), (28, 922305), (30, 860818), (35, 737844), (42, 614870), (60, 430409), (70, 368922), (84, 307435), (105, 245948), (140, 184461), (210, 122974), (420, 61487)]