80772050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{41}}^2$

素因数の和:156

約数の個数: 54

約数和(自身を含む): 159117327

約数和(自身を除く): 78345277

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 775, 961, 1025, 1271, 1550, 1681, 1922, 2050, 2542, 3362, 4805, 6355, 8405, 9610, 12710, 16810, 24025, 31775, 39401, 42025, 48050, 52111, 63550, 78802, 84050, 104222, 197005, 260555, 394010, 521110, 985025, 1302775, 1615441, 1970050, 2605550, 3230882, 8077205, 16154410, 40386025, 80772050]

約数ペア:

[(1, 80772050), (2, 40386025), (5, 16154410), (10, 8077205), (25, 3230882), (31, 2605550), (41, 1970050), (50, 1615441), (62, 1302775), (82, 985025), (155, 521110), (205, 394010), (310, 260555), (410, 197005), (775, 104222), (961, 84050), (1025, 78802), (1271, 63550), (1550, 52111), (1681, 48050), (1922, 42025), (2050, 39401), (2542, 31775), (3362, 24025), (4805, 16810), (6355, 12710), (8405, 9610)]