25417520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 62876928

約数和(自身を除く): 37459408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 277, 296, 310, 370, 496, 554, 592, 620, 740, 1108, 1147, 1240, 1385, 1480, 2216, 2294, 2480, 2770, 2960, 4432, 4588, 5540, 5735, 8587, 9176, 10249, 11080, 11470, 17174, 18352, 20498, 22160, 22940, 34348, 40996, 42935, 45880, 51245, 68696, 81992, 85870, 91760, 102490, 137392, 163984, 171740, 204980, 317719, 343480, 409960, 635438, 686960, 819920, 1270876, 1588595, 2541752, 3177190, 5083504, 6354380, 12708760, 25417520]

約数ペア:

[(1, 25417520), (2, 12708760), (4, 6354380), (5, 5083504), (8, 3177190), (10, 2541752), (16, 1588595), (20, 1270876), (31, 819920), (37, 686960), (40, 635438), (62, 409960), (74, 343480), (80, 317719), (124, 204980), (148, 171740), (155, 163984), (185, 137392), (248, 102490), (277, 91760), (296, 85870), (310, 81992), (370, 68696), (496, 51245), (554, 45880), (592, 42935), (620, 40996), (740, 34348), (1108, 22940), (1147, 22160), (1240, 20498), (1385, 18352), (1480, 17174), (2216, 11470), (2294, 11080), (2480, 10249), (2770, 9176), (2960, 8587), (4432, 5735), (4588, 5540)]