81262810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{5153}}^1$

素因数の和:5262

約数の個数: 32

約数和(自身を含む): 155856960

約数和(自身を除く): 74594150

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 5153, 7885, 10306, 15770, 25765, 51530, 97907, 195814, 427699, 489535, 855398, 979070, 2138495, 4276990, 8126281, 16252562, 40631405, 81262810]

約数ペア:

[(1, 81262810), (2, 40631405), (5, 16252562), (10, 8126281), (19, 4276990), (38, 2138495), (83, 979070), (95, 855398), (166, 489535), (190, 427699), (415, 195814), (830, 97907), (1577, 51530), (3154, 25765), (5153, 15770), (7885, 10306)]