64567420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 140894208

約数和(自身を除く): 76326788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 223, 310, 446, 467, 620, 892, 934, 1115, 1868, 2230, 2335, 4460, 4670, 6913, 9340, 13826, 14477, 27652, 28954, 34565, 57908, 69130, 72385, 104141, 138260, 144770, 208282, 289540, 416564, 520705, 1041410, 2082820, 3228371, 6456742, 12913484, 16141855, 32283710, 64567420]

約数ペア:

[(1, 64567420), (2, 32283710), (4, 16141855), (5, 12913484), (10, 6456742), (20, 3228371), (31, 2082820), (62, 1041410), (124, 520705), (155, 416564), (223, 289540), (310, 208282), (446, 144770), (467, 138260), (620, 104141), (892, 72385), (934, 69130), (1115, 57908), (1868, 34565), (2230, 28954), (2335, 27652), (4460, 14477), (4670, 13826), (6913, 9340)]