13125320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 32598720

約数和(自身を除く): 19473400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 587, 860, 1118, 1174, 1720, 2236, 2348, 2795, 2935, 4472, 4696, 5590, 5870, 7631, 11180, 11740, 15262, 22360, 23480, 25241, 30524, 38155, 50482, 61048, 76310, 100964, 126205, 152620, 201928, 252410, 305240, 328133, 504820, 656266, 1009640, 1312532, 1640665, 2625064, 3281330, 6562660, 13125320]

約数ペア:

[(1, 13125320), (2, 6562660), (4, 3281330), (5, 2625064), (8, 1640665), (10, 1312532), (13, 1009640), (20, 656266), (26, 504820), (40, 328133), (43, 305240), (52, 252410), (65, 201928), (86, 152620), (104, 126205), (130, 100964), (172, 76310), (215, 61048), (260, 50482), (344, 38155), (430, 30524), (520, 25241), (559, 23480), (587, 22360), (860, 15262), (1118, 11740), (1174, 11180), (1720, 7631), (2236, 5870), (2348, 5590), (2795, 4696), (2935, 4472)]