25479680

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 62975880

約数和(自身を除く): 37496200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 269, 296, 320, 370, 512, 538, 592, 640, 740, 1076, 1184, 1280, 1345, 1480, 2152, 2368, 2560, 2690, 2960, 4304, 4736, 5380, 5920, 8608, 9472, 9953, 10760, 11840, 17216, 18944, 19906, 21520, 23680, 34432, 39812, 43040, 47360, 49765, 68864, 79624, 86080, 94720, 99530, 137728, 159248, 172160, 199060, 318496, 344320, 398120, 636992, 688640, 796240, 1273984, 1592480, 2547968, 3184960, 5095936, 6369920, 12739840, 25479680]

約数ペア:

[(1, 25479680), (2, 12739840), (4, 6369920), (5, 5095936), (8, 3184960), (10, 2547968), (16, 1592480), (20, 1273984), (32, 796240), (37, 688640), (40, 636992), (64, 398120), (74, 344320), (80, 318496), (128, 199060), (148, 172160), (160, 159248), (185, 137728), (256, 99530), (269, 94720), (296, 86080), (320, 79624), (370, 68864), (512, 49765), (538, 47360), (592, 43040), (640, 39812), (740, 34432), (1076, 23680), (1184, 21520), (1280, 19906), (1345, 18944), (1480, 17216), (2152, 11840), (2368, 10760), (2560, 9953), (2690, 9472), (2960, 8608), (4304, 5920), (4736, 5380)]