39980248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1583}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 95800320

約数和(自身を除く): 55820072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 902, 1148, 1583, 1804, 2296, 3157, 3166, 3608, 6314, 6332, 11081, 12628, 12664, 17413, 22162, 25256, 34826, 44324, 64903, 69652, 88648, 121891, 129806, 139304, 243782, 259612, 454321, 487564, 519224, 713933, 908642, 975128, 1427866, 1817284, 2855732, 3634568, 4997531, 5711464, 9995062, 19990124, 39980248]

約数ペア:

[(1, 39980248), (2, 19990124), (4, 9995062), (7, 5711464), (8, 4997531), (11, 3634568), (14, 2855732), (22, 1817284), (28, 1427866), (41, 975128), (44, 908642), (56, 713933), (77, 519224), (82, 487564), (88, 454321), (154, 259612), (164, 243782), (287, 139304), (308, 129806), (328, 121891), (451, 88648), (574, 69652), (616, 64903), (902, 44324), (1148, 34826), (1583, 25256), (1804, 22162), (2296, 17413), (3157, 12664), (3166, 12628), (3608, 11081), (6314, 6332)]