13802840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 32767200

約数和(自身を除く): 18964360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 163, 232, 290, 292, 326, 365, 580, 584, 652, 730, 815, 1160, 1304, 1460, 1630, 2117, 2920, 3260, 4234, 4727, 6520, 8468, 9454, 10585, 11899, 16936, 18908, 21170, 23635, 23798, 37816, 42340, 47270, 47596, 59495, 84680, 94540, 95192, 118990, 189080, 237980, 345071, 475960, 690142, 1380284, 1725355, 2760568, 3450710, 6901420, 13802840]

約数ペア:

[(1, 13802840), (2, 6901420), (4, 3450710), (5, 2760568), (8, 1725355), (10, 1380284), (20, 690142), (29, 475960), (40, 345071), (58, 237980), (73, 189080), (116, 118990), (145, 95192), (146, 94540), (163, 84680), (232, 59495), (290, 47596), (292, 47270), (326, 42340), (365, 37816), (580, 23798), (584, 23635), (652, 21170), (730, 18908), (815, 16936), (1160, 11899), (1304, 10585), (1460, 9454), (1630, 8468), (2117, 6520), (2920, 4727), (3260, 4234)]