81005584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 180792000

約数和(自身を除く): 99786416

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 59, 88, 116, 118, 176, 232, 236, 269, 319, 464, 472, 538, 638, 649, 944, 1076, 1276, 1298, 1711, 2152, 2552, 2596, 2959, 3422, 4304, 5104, 5192, 5918, 6844, 7801, 10384, 11836, 13688, 15602, 15871, 18821, 23672, 27376, 31204, 31742, 37642, 47344, 62408, 63484, 75284, 85811, 124816, 126968, 150568, 171622, 174581, 253936, 301136, 343244, 349162, 460259, 686488, 698324, 920518, 1372976, 1396648, 1841036, 2793296, 3682072, 5062849, 7364144, 10125698, 20251396, 40502792, 81005584]

約数ペア:

[(1, 81005584), (2, 40502792), (4, 20251396), (8, 10125698), (11, 7364144), (16, 5062849), (22, 3682072), (29, 2793296), (44, 1841036), (58, 1396648), (59, 1372976), (88, 920518), (116, 698324), (118, 686488), (176, 460259), (232, 349162), (236, 343244), (269, 301136), (319, 253936), (464, 174581), (472, 171622), (538, 150568), (638, 126968), (649, 124816), (944, 85811), (1076, 75284), (1276, 63484), (1298, 62408), (1711, 47344), (2152, 37642), (2552, 31742), (2596, 31204), (2959, 27376), (3422, 23672), (4304, 18821), (5104, 15871), (5192, 15602), (5918, 13688), (6844, 11836), (7801, 10384)]