78828820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{24481}}^1$

素因数の和:24520

約数の個数: 48

約数和(自身を含む): 197422848

約数和(自身を除く): 118594028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 24481, 48962, 97924, 122405, 171367, 244810, 342734, 489620, 563063, 685468, 856835, 1126126, 1713670, 2252252, 2815315, 3427340, 3941441, 5630630, 7882882, 11261260, 15765764, 19707205, 39414410, 78828820]

約数ペア:

[(1, 78828820), (2, 39414410), (4, 19707205), (5, 15765764), (7, 11261260), (10, 7882882), (14, 5630630), (20, 3941441), (23, 3427340), (28, 2815315), (35, 2252252), (46, 1713670), (70, 1126126), (92, 856835), (115, 685468), (140, 563063), (161, 489620), (230, 342734), (322, 244810), (460, 171367), (644, 122405), (805, 97924), (1610, 48962), (3220, 24481)]