2008120784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{1091}}^1$

素因数の和:1284

約数の個数: 80

約数和(自身を含む): 4226354496

約数和(自身を除く): 2218233712

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 101, 134, 136, 202, 268, 272, 404, 536, 808, 1072, 1091, 1139, 1616, 1717, 2182, 2278, 3434, 4364, 4556, 6767, 6868, 8728, 9112, 13534, 13736, 17456, 18224, 18547, 27068, 27472, 37094, 54136, 73097, 74188, 108272, 110191, 115039, 146194, 148376, 220382, 230078, 292388, 296752, 440764, 460156, 584776, 881528, 920312, 1169552, 1242649, 1763056, 1840624, 1873247, 2485298, 3746494, 4970596, 7382797, 7492988, 9941192, 14765594, 14985976, 19882384, 29531188, 29971952, 59062376, 118124752, 125507549, 251015098, 502030196, 1004060392, 2008120784]

約数ペア:

[(1, 2008120784), (2, 1004060392), (4, 502030196), (8, 251015098), (16, 125507549), (17, 118124752), (34, 59062376), (67, 29971952), (68, 29531188), (101, 19882384), (134, 14985976), (136, 14765594), (202, 9941192), (268, 7492988), (272, 7382797), (404, 4970596), (536, 3746494), (808, 2485298), (1072, 1873247), (1091, 1840624), (1139, 1763056), (1616, 1242649), (1717, 1169552), (2182, 920312), (2278, 881528), (3434, 584776), (4364, 460156), (4556, 440764), (6767, 296752), (6868, 292388), (8728, 230078), (9112, 220382), (13534, 148376), (13736, 146194), (17456, 115039), (18224, 110191), (18547, 108272), (27068, 74188), (27472, 73097), (37094, 54136)]