25537280

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 62252064

約数和(自身を除く): 36714784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 281, 284, 320, 355, 562, 568, 640, 710, 1124, 1136, 1280, 1405, 1420, 2248, 2272, 2810, 2840, 4496, 4544, 5620, 5680, 8992, 9088, 11240, 11360, 17984, 18176, 19951, 22480, 22720, 35968, 39902, 44960, 45440, 71936, 79804, 89920, 90880, 99755, 159608, 179840, 199510, 319216, 359680, 399020, 638432, 798040, 1276864, 1596080, 2553728, 3192160, 5107456, 6384320, 12768640, 25537280]

約数ペア:

[(1, 25537280), (2, 12768640), (4, 6384320), (5, 5107456), (8, 3192160), (10, 2553728), (16, 1596080), (20, 1276864), (32, 798040), (40, 638432), (64, 399020), (71, 359680), (80, 319216), (128, 199510), (142, 179840), (160, 159608), (256, 99755), (281, 90880), (284, 89920), (320, 79804), (355, 71936), (562, 45440), (568, 44960), (640, 39902), (710, 35968), (1124, 22720), (1136, 22480), (1280, 19951), (1405, 18176), (1420, 17984), (2248, 11360), (2272, 11240), (2810, 9088), (2840, 8992), (4496, 5680), (4544, 5620)]