51902720

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 135983232

約数和(自身を除く): 84080512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 43, 46, 64, 80, 82, 86, 92, 115, 128, 160, 164, 172, 184, 205, 215, 230, 256, 320, 328, 344, 368, 410, 430, 460, 640, 656, 688, 736, 820, 860, 920, 943, 989, 1280, 1312, 1376, 1472, 1640, 1720, 1763, 1840, 1886, 1978, 2624, 2752, 2944, 3280, 3440, 3526, 3680, 3772, 3956, 4715, 4945, 5248, 5504, 5888, 6560, 6880, 7052, 7360, 7544, 7912, 8815, 9430, 9890, 10496, 11008, 13120, 13760, 14104, 14720, 15088, 15824, 17630, 18860, 19780, 26240, 27520, 28208, 29440, 30176, 31648, 35260, 37720, 39560, 40549, 52480, 55040, 56416, 60352, 63296, 70520, 75440, 79120, 81098, 112832, 120704, 126592, 141040, 150880, 158240, 162196, 202745, 225664, 241408, 253184, 282080, 301760, 316480, 324392, 405490, 451328, 564160, 603520, 632960, 648784, 810980, 1128320, 1207040, 1265920, 1297568, 1621960, 2256640, 2595136, 3243920, 5190272, 6487840, 10380544, 12975680, 25951360, 51902720]

約数ペア:

[(1, 51902720), (2, 25951360), (4, 12975680), (5, 10380544), (8, 6487840), (10, 5190272), (16, 3243920), (20, 2595136), (23, 2256640), (32, 1621960), (40, 1297568), (41, 1265920), (43, 1207040), (46, 1128320), (64, 810980), (80, 648784), (82, 632960), (86, 603520), (92, 564160), (115, 451328), (128, 405490), (160, 324392), (164, 316480), (172, 301760), (184, 282080), (205, 253184), (215, 241408), (230, 225664), (256, 202745), (320, 162196), (328, 158240), (344, 150880), (368, 141040), (410, 126592), (430, 120704), (460, 112832), (640, 81098), (656, 79120), (688, 75440), (736, 70520), (820, 63296), (860, 60352), (920, 56416), (943, 55040), (989, 52480), (1280, 40549), (1312, 39560), (1376, 37720), (1472, 35260), (1640, 31648), (1720, 30176), (1763, 29440), (1840, 28208), (1886, 27520), (1978, 26240), (2624, 19780), (2752, 18860), (2944, 17630), (3280, 15824), (3440, 15088), (3526, 14720), (3680, 14104), (3772, 13760), (3956, 13120), (4715, 11008), (4945, 10496), (5248, 9890), (5504, 9430), (5888, 8815), (6560, 7912), (6880, 7544), (7052, 7360)]