25409930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4023

約数の個数: 48

約数和(自身を含む): 57312360

約数和(自身を除く): 31902430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 3989, 6370, 7978, 19945, 27923, 39890, 51857, 55846, 103714, 139615, 195461, 259285, 279230, 362999, 390922, 518570, 725998, 977305, 1814995, 1954610, 2540993, 3629990, 5081986, 12704965, 25409930]

約数ペア:

[(1, 25409930), (2, 12704965), (5, 5081986), (7, 3629990), (10, 2540993), (13, 1954610), (14, 1814995), (26, 977305), (35, 725998), (49, 518570), (65, 390922), (70, 362999), (91, 279230), (98, 259285), (130, 195461), (182, 139615), (245, 103714), (455, 55846), (490, 51857), (637, 39890), (910, 27923), (1274, 19945), (3185, 7978), (3989, 6370)]