40802528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2281}}^1$

素因数の和:2347

約数の個数: 48

約数和(自身を含む): 88559856

約数和(自身を除く): 47757328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 2281, 4472, 4562, 8944, 9124, 17888, 18248, 29653, 36496, 59306, 72992, 98083, 118612, 196166, 237224, 392332, 474448, 784664, 948896, 1275079, 1569328, 2550158, 3138656, 5100316, 10200632, 20401264, 40802528]

約数ペア:

[(1, 40802528), (2, 20401264), (4, 10200632), (8, 5100316), (13, 3138656), (16, 2550158), (26, 1569328), (32, 1275079), (43, 948896), (52, 784664), (86, 474448), (104, 392332), (172, 237224), (208, 196166), (344, 118612), (416, 98083), (559, 72992), (688, 59306), (1118, 36496), (1376, 29653), (2236, 18248), (2281, 17888), (4472, 9124), (4562, 8944)]