827320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 64

約数和(自身を含む): 2106720

約数和(自身を除く): 1279400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 43, 52, 65, 74, 86, 104, 130, 148, 172, 185, 215, 260, 296, 344, 370, 430, 481, 520, 559, 740, 860, 962, 1118, 1480, 1591, 1720, 1924, 2236, 2405, 2795, 3182, 3848, 4472, 4810, 5590, 6364, 7955, 9620, 11180, 12728, 15910, 19240, 20683, 22360, 31820, 41366, 63640, 82732, 103415, 165464, 206830, 413660, 827320]

約数ペア:

[(1, 827320), (2, 413660), (4, 206830), (5, 165464), (8, 103415), (10, 82732), (13, 63640), (20, 41366), (26, 31820), (37, 22360), (40, 20683), (43, 19240), (52, 15910), (65, 12728), (74, 11180), (86, 9620), (104, 7955), (130, 6364), (148, 5590), (172, 4810), (185, 4472), (215, 3848), (260, 3182), (296, 2795), (344, 2405), (370, 2236), (430, 1924), (481, 1720), (520, 1591), (559, 1480), (740, 1118), (860, 962)]