25600521700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{49109}}^1$

素因数の和:49537

約数の個数: 72

約数和(自身を含む): 59976864360

約数和(自身を除く): 34376342660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 401, 650, 802, 1300, 1604, 2005, 4010, 5213, 8020, 10025, 10426, 20050, 20852, 26065, 40100, 49109, 52130, 98218, 104260, 130325, 196436, 245545, 260650, 491090, 521300, 638417, 982180, 1227725, 1276834, 2455450, 2553668, 3192085, 4910900, 6384170, 12768340, 15960425, 19692709, 31920850, 39385418, 63841700, 78770836, 98463545, 196927090, 256005217, 393854180, 492317725, 512010434, 984635450, 1024020868, 1280026085, 1969270900, 2560052170, 5120104340, 6400130425, 12800260850, 25600521700]

約数ペア:

[(1, 25600521700), (2, 12800260850), (4, 6400130425), (5, 5120104340), (10, 2560052170), (13, 1969270900), (20, 1280026085), (25, 1024020868), (26, 984635450), (50, 512010434), (52, 492317725), (65, 393854180), (100, 256005217), (130, 196927090), (260, 98463545), (325, 78770836), (401, 63841700), (650, 39385418), (802, 31920850), (1300, 19692709), (1604, 15960425), (2005, 12768340), (4010, 6384170), (5213, 4910900), (8020, 3192085), (10025, 2553668), (10426, 2455450), (20050, 1276834), (20852, 1227725), (26065, 982180), (40100, 638417), (49109, 521300), (52130, 491090), (98218, 260650), (104260, 245545), (130325, 196436)]