16742480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 41378304

約数和(自身を除く): 24635824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 157, 172, 215, 248, 310, 314, 344, 430, 496, 620, 628, 688, 785, 860, 1240, 1256, 1333, 1570, 1720, 2480, 2512, 2666, 3140, 3440, 4867, 5332, 6280, 6665, 6751, 9734, 10664, 12560, 13330, 13502, 19468, 21328, 24335, 26660, 27004, 33755, 38936, 48670, 53320, 54008, 67510, 77872, 97340, 106640, 108016, 135020, 194680, 209281, 270040, 389360, 418562, 540080, 837124, 1046405, 1674248, 2092810, 3348496, 4185620, 8371240, 16742480]

約数ペア:

[(1, 16742480), (2, 8371240), (4, 4185620), (5, 3348496), (8, 2092810), (10, 1674248), (16, 1046405), (20, 837124), (31, 540080), (40, 418562), (43, 389360), (62, 270040), (80, 209281), (86, 194680), (124, 135020), (155, 108016), (157, 106640), (172, 97340), (215, 77872), (248, 67510), (310, 54008), (314, 53320), (344, 48670), (430, 38936), (496, 33755), (620, 27004), (628, 26660), (688, 24335), (785, 21328), (860, 19468), (1240, 13502), (1256, 13330), (1333, 12560), (1570, 10664), (1720, 9734), (2480, 6751), (2512, 6665), (2666, 6280), (3140, 5332), (3440, 4867)]