66422780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 143265024

約数和(自身を除く): 76842244

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 223, 265, 281, 446, 530, 562, 892, 1060, 1115, 1124, 1405, 2230, 2810, 4460, 5620, 11819, 14893, 23638, 29786, 47276, 59095, 59572, 62663, 74465, 118190, 125326, 148930, 236380, 250652, 297860, 313315, 626630, 1253260, 3321139, 6642278, 13284556, 16605695, 33211390, 66422780]

約数ペア:

[(1, 66422780), (2, 33211390), (4, 16605695), (5, 13284556), (10, 6642278), (20, 3321139), (53, 1253260), (106, 626630), (212, 313315), (223, 297860), (265, 250652), (281, 236380), (446, 148930), (530, 125326), (562, 118190), (892, 74465), (1060, 62663), (1115, 59572), (1124, 59095), (1405, 47276), (2230, 29786), (2810, 23638), (4460, 14893), (5620, 11819)]