28750480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 74977344

約数和(自身を除く): 46226864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 883, 1480, 1628, 1766, 2035, 2960, 3256, 3532, 4070, 4415, 6512, 7064, 8140, 8830, 9713, 14128, 16280, 17660, 19426, 32560, 32671, 35320, 38852, 48565, 65342, 70640, 77704, 97130, 130684, 155408, 163355, 194260, 261368, 326710, 359381, 388520, 522736, 653420, 718762, 777040, 1306840, 1437524, 1796905, 2613680, 2875048, 3593810, 5750096, 7187620, 14375240, 28750480]

約数ペア:

[(1, 28750480), (2, 14375240), (4, 7187620), (5, 5750096), (8, 3593810), (10, 2875048), (11, 2613680), (16, 1796905), (20, 1437524), (22, 1306840), (37, 777040), (40, 718762), (44, 653420), (55, 522736), (74, 388520), (80, 359381), (88, 326710), (110, 261368), (148, 194260), (176, 163355), (185, 155408), (220, 130684), (296, 97130), (370, 77704), (407, 70640), (440, 65342), (592, 48565), (740, 38852), (814, 35320), (880, 32671), (883, 32560), (1480, 19426), (1628, 17660), (1766, 16280), (2035, 14128), (2960, 9713), (3256, 8830), (3532, 8140), (4070, 7064), (4415, 6512)]