51137320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2354

約数の個数: 64

約数和(自身を含む): 126846720

約数和(自身を除く): 75709400

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, 860, 1118, 1720, 2236, 2287, 2795, 4472, 4574, 5590, 9148, 11180, 11435, 18296, 22360, 22870, 29731, 45740, 59462, 91480, 98341, 118924, 148655, 196682, 237848, 297310, 393364, 491705, 594620, 786728, 983410, 1189240, 1278433, 1966820, 2556866, 3933640, 5113732, 6392165, 10227464, 12784330, 25568660, 51137320]

約数ペア:

[(1, 51137320), (2, 25568660), (4, 12784330), (5, 10227464), (8, 6392165), (10, 5113732), (13, 3933640), (20, 2556866), (26, 1966820), (40, 1278433), (43, 1189240), (52, 983410), (65, 786728), (86, 594620), (104, 491705), (130, 393364), (172, 297310), (215, 237848), (260, 196682), (344, 148655), (430, 118924), (520, 98341), (559, 91480), (860, 59462), (1118, 45740), (1720, 29731), (2236, 22870), (2287, 22360), (2795, 18296), (4472, 11435), (4574, 11180), (5590, 9148)]