80477215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2131}}^1$

素因数の和:2239

約数の個数: 32

約数和(自身を含む): 120347136

約数和(自身を除く): 39869921

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 415, 455, 581, 1079, 2131, 2905, 5395, 7553, 10655, 14917, 27703, 37765, 74585, 138515, 176873, 193921, 884365, 969605, 1238111, 2299349, 6190555, 11496745, 16095443, 80477215]

約数ペア:

[(1, 80477215), (5, 16095443), (7, 11496745), (13, 6190555), (35, 2299349), (65, 1238111), (83, 969605), (91, 884365), (415, 193921), (455, 176873), (581, 138515), (1079, 74585), (2131, 37765), (2905, 27703), (5395, 14917), (7553, 10655)]