51233920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 130579380

約数和(自身を除く): 79345460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 277, 289, 320, 340, 544, 554, 578, 640, 680, 1088, 1108, 1156, 1360, 1385, 1445, 2176, 2216, 2312, 2720, 2770, 2890, 4432, 4624, 4709, 5440, 5540, 5780, 8864, 9248, 9418, 10880, 11080, 11560, 17728, 18496, 18836, 22160, 23120, 23545, 35456, 36992, 37672, 44320, 46240, 47090, 75344, 80053, 88640, 92480, 94180, 150688, 160106, 177280, 184960, 188360, 301376, 320212, 376720, 400265, 602752, 640424, 753440, 800530, 1280848, 1506880, 1601060, 2561696, 3013760, 3202120, 5123392, 6404240, 10246784, 12808480, 25616960, 51233920]

約数ペア:

[(1, 51233920), (2, 25616960), (4, 12808480), (5, 10246784), (8, 6404240), (10, 5123392), (16, 3202120), (17, 3013760), (20, 2561696), (32, 1601060), (34, 1506880), (40, 1280848), (64, 800530), (68, 753440), (80, 640424), (85, 602752), (128, 400265), (136, 376720), (160, 320212), (170, 301376), (272, 188360), (277, 184960), (289, 177280), (320, 160106), (340, 150688), (544, 94180), (554, 92480), (578, 88640), (640, 80053), (680, 75344), (1088, 47090), (1108, 46240), (1156, 44320), (1360, 37672), (1385, 36992), (1445, 35456), (2176, 23545), (2216, 23120), (2312, 22160), (2720, 18836), (2770, 18496), (2890, 17728), (4432, 11560), (4624, 11080), (4709, 10880), (5440, 9418), (5540, 9248), (5780, 8864)]