20160376480

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{8089}}^1$

素因数の和:8562

約数の個数: 96

約数和(自身を含む): 49038408720

約数和(自身を除く): 28878032240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 421, 592, 740, 842, 1184, 1480, 1684, 2105, 2960, 3368, 4210, 5920, 6736, 8089, 8420, 13472, 15577, 16178, 16840, 31154, 32356, 33680, 40445, 62308, 64712, 67360, 77885, 80890, 124616, 129424, 155770, 161780, 249232, 258848, 299293, 311540, 323560, 498464, 598586, 623080, 647120, 1197172, 1246160, 1294240, 1496465, 2394344, 2492320, 2992930, 3405469, 4788688, 5985860, 6810938, 9577376, 11971720, 13621876, 17027345, 23943440, 27243752, 34054690, 47886880, 54487504, 68109380, 108975008, 126002353, 136218760, 252004706, 272437520, 504009412, 544875040, 630011765, 1008018824, 1260023530, 2016037648, 2520047060, 4032075296, 5040094120, 10080188240, 20160376480]

約数ペア:

[(1, 20160376480), (2, 10080188240), (4, 5040094120), (5, 4032075296), (8, 2520047060), (10, 2016037648), (16, 1260023530), (20, 1008018824), (32, 630011765), (37, 544875040), (40, 504009412), (74, 272437520), (80, 252004706), (148, 136218760), (160, 126002353), (185, 108975008), (296, 68109380), (370, 54487504), (421, 47886880), (592, 34054690), (740, 27243752), (842, 23943440), (1184, 17027345), (1480, 13621876), (1684, 11971720), (2105, 9577376), (2960, 6810938), (3368, 5985860), (4210, 4788688), (5920, 3405469), (6736, 2992930), (8089, 2492320), (8420, 2394344), (13472, 1496465), (15577, 1294240), (16178, 1246160), (16840, 1197172), (31154, 647120), (32356, 623080), (33680, 598586), (40445, 498464), (62308, 323560), (64712, 311540), (67360, 299293), (77885, 258848), (80890, 249232), (124616, 161780), (129424, 155770)]