25260640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 65155104

約数和(自身を除く): 39894464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 251, 272, 296, 340, 370, 502, 544, 592, 629, 680, 740, 1004, 1184, 1255, 1258, 1360, 1480, 2008, 2510, 2516, 2720, 2960, 3145, 4016, 4267, 5020, 5032, 5920, 6290, 8032, 8534, 9287, 10040, 10064, 12580, 17068, 18574, 20080, 20128, 21335, 25160, 34136, 37148, 40160, 42670, 46435, 50320, 68272, 74296, 85340, 92870, 100640, 136544, 148592, 157879, 170680, 185740, 297184, 315758, 341360, 371480, 631516, 682720, 742960, 789395, 1263032, 1485920, 1578790, 2526064, 3157580, 5052128, 6315160, 12630320, 25260640]

約数ペア:

[(1, 25260640), (2, 12630320), (4, 6315160), (5, 5052128), (8, 3157580), (10, 2526064), (16, 1578790), (17, 1485920), (20, 1263032), (32, 789395), (34, 742960), (37, 682720), (40, 631516), (68, 371480), (74, 341360), (80, 315758), (85, 297184), (136, 185740), (148, 170680), (160, 157879), (170, 148592), (185, 136544), (251, 100640), (272, 92870), (296, 85340), (340, 74296), (370, 68272), (502, 50320), (544, 46435), (592, 42670), (629, 40160), (680, 37148), (740, 34136), (1004, 25160), (1184, 21335), (1255, 20128), (1258, 20080), (1360, 18574), (1480, 17068), (2008, 12580), (2510, 10064), (2516, 10040), (2720, 9287), (2960, 8534), (3145, 8032), (4016, 6290), (4267, 5920), (5020, 5032)]