80702765

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 118691328

約数和(自身を除く): 37988563

約数列:

[1, 5, 11, 13, 31, 55, 65, 121, 143, 155, 331, 341, 403, 605, 715, 1573, 1655, 1705, 2015, 3641, 3751, 4303, 4433, 7865, 10261, 18205, 18755, 21515, 22165, 40051, 47333, 48763, 51305, 112871, 133393, 200255, 236665, 243815, 520663, 564355, 666965, 1241581, 1467323, 2603315, 6207905, 7336615, 16140553, 80702765]

約数ペア:

[(1, 80702765), (5, 16140553), (11, 7336615), (13, 6207905), (31, 2603315), (55, 1467323), (65, 1241581), (121, 666965), (143, 564355), (155, 520663), (331, 243815), (341, 236665), (403, 200255), (605, 133393), (715, 112871), (1573, 51305), (1655, 48763), (1705, 47333), (2015, 40051), (3641, 22165), (3751, 21515), (4303, 18755), (4433, 18205), (7865, 10261)]