64257860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 141837696

約数和(自身を除く): 77579836

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 857, 1630, 1714, 3260, 3428, 3749, 4285, 7498, 8570, 14996, 17140, 18745, 19711, 37490, 39422, 74980, 78844, 98555, 139691, 197110, 279382, 394220, 558764, 698455, 1396910, 2793820, 3212893, 6425786, 12851572, 16064465, 32128930, 64257860]

約数ペア:

[(1, 64257860), (2, 32128930), (4, 16064465), (5, 12851572), (10, 6425786), (20, 3212893), (23, 2793820), (46, 1396910), (92, 698455), (115, 558764), (163, 394220), (230, 279382), (326, 197110), (460, 139691), (652, 98555), (815, 78844), (857, 74980), (1630, 39422), (1714, 37490), (3260, 19711), (3428, 18745), (3749, 17140), (4285, 14996), (7498, 8570)]