78805870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{55109}}^1$

素因数の和:55140

約数の個数: 32

約数和(自身を含む): 166652640

約数和(自身を除く): 87846770

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 55109, 110218, 275545, 551090, 606199, 716417, 1212398, 1432834, 3030995, 3582085, 6061990, 7164170, 7880587, 15761174, 39402935, 78805870]

約数ペア:

[(1, 78805870), (2, 39402935), (5, 15761174), (10, 7880587), (11, 7164170), (13, 6061990), (22, 3582085), (26, 3030995), (55, 1432834), (65, 1212398), (110, 716417), (130, 606199), (143, 551090), (286, 275545), (715, 110218), (1430, 55109)]